Home / 813,702.08-1,123,025.10-451,206.56

Finding the Fourth Proportional to 813,702.08, 1,123,025.10 and 451,206.56

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Solution

The fourth proportional to 813,702.08, 1,123,025.10 and 451,206.56 is: 622,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,702.08 : 1,123,025.10 = 451,206.56 : x
  2. Step 2: Convert to fraction form
    813,702.08/1,123,025.10 = 451,206.56/x
  3. Step 3: Cross multiply
    813,702.08x = 1,123,025.10 × 451,206.56
  4. Step 4: Simplify right side
    813,702.08x = 506,716,292,164.66
  5. Step 5: Solve for x
    x = 506,716,292,164.66/813,702.08
  6. Step 6: Final answer
    x = 622,729.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.