Home / 827,497.60-1,241,246.40-355,105.60

Finding the Fourth Proportional to 827,497.60, 1,241,246.40 and 355,105.60

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Solution

The fourth proportional to 827,497.60, 1,241,246.40 and 355,105.60 is: 532,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,497.60 : 1,241,246.40 = 355,105.60 : x
  2. Step 2: Convert to fraction form
    827,497.60/1,241,246.40 = 355,105.60/x
  3. Step 3: Cross multiply
    827,497.60x = 1,241,246.40 × 355,105.60
  4. Step 4: Simplify right side
    827,497.60x = 440,773,547,619.84
  5. Step 5: Solve for x
    x = 440,773,547,619.84/827,497.60
  6. Step 6: Final answer
    x = 532,658.40

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Double scale
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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.