Home / 813,123.92-1,217,036.28-735,525.20

Finding the Fourth Proportional to 813,123.92, 1,217,036.28 and 735,525.20

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Solution

The fourth proportional to 813,123.92, 1,217,036.28 and 735,525.20 is: 1,100,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,123.92 : 1,217,036.28 = 735,525.20 : x
  2. Step 2: Convert to fraction form
    813,123.92/1,217,036.28 = 735,525.20/x
  3. Step 3: Cross multiply
    813,123.92x = 1,217,036.28 × 735,525.20
  4. Step 4: Simplify right side
    813,123.92x = 895,160,853,254.26
  5. Step 5: Solve for x
    x = 895,160,853,254.26/813,123.92
  6. Step 6: Final answer
    x = 1,100,891.06

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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.