Home / 651,881.10-977,821.65-546,905.10

Finding the Fourth Proportional to 651,881.10, 977,821.65 and 546,905.10

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Solution

The fourth proportional to 651,881.10, 977,821.65 and 546,905.10 is: 820,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,881.10 : 977,821.65 = 546,905.10 : x
  2. Step 2: Convert to fraction form
    651,881.10/977,821.65 = 546,905.10/x
  3. Step 3: Cross multiply
    651,881.10x = 977,821.65 × 546,905.10
  4. Step 4: Simplify right side
    651,881.10x = 534,775,647,275.42
  5. Step 5: Solve for x
    x = 534,775,647,275.42/651,881.10
  6. Step 6: Final answer
    x = 820,357.65

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Half scale
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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.