Home / 804,598.10-1,206,897.15-431,350.10

Finding the Fourth Proportional to 804,598.10, 1,206,897.15 and 431,350.10

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Solution

The fourth proportional to 804,598.10, 1,206,897.15 and 431,350.10 is: 647,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,598.10 : 1,206,897.15 = 431,350.10 : x
  2. Step 2: Convert to fraction form
    804,598.10/1,206,897.15 = 431,350.10/x
  3. Step 3: Cross multiply
    804,598.10x = 1,206,897.15 × 431,350.10
  4. Step 4: Simplify right side
    804,598.10x = 520,595,206,342.22
  5. Step 5: Solve for x
    x = 520,595,206,342.22/804,598.10
  6. Step 6: Final answer
    x = 647,025.15

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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.