Home / 827,386.10-1,241,693.55-329,107.70

Finding the Fourth Proportional to 827,386.10, 1,241,693.55 and 329,107.70

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Solution

The fourth proportional to 827,386.10, 1,241,693.55 and 329,107.70 is: 493,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,386.10 : 1,241,693.55 = 329,107.70 : x
  2. Step 2: Convert to fraction form
    827,386.10/1,241,693.55 = 329,107.70/x
  3. Step 3: Cross multiply
    827,386.10x = 1,241,693.55 × 329,107.70
  4. Step 4: Simplify right side
    827,386.10x = 408,650,908,345.34
  5. Step 5: Solve for x
    x = 408,650,908,345.34/827,386.10
  6. Step 6: Final answer
    x = 493,905.94

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Half scale
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Double scale
Find fourth proportional to 827,387.10, 1,241,695.05 and 329,108.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.