Home / 866,337.35-1,195,590.38-498,869.07

Finding the Fourth Proportional to 866,337.35, 1,195,590.38 and 498,869.07

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Solution

The fourth proportional to 866,337.35, 1,195,590.38 and 498,869.07 is: 688,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,337.35 : 1,195,590.38 = 498,869.07 : x
  2. Step 2: Convert to fraction form
    866,337.35/1,195,590.38 = 498,869.07/x
  3. Step 3: Cross multiply
    866,337.35x = 1,195,590.38 × 498,869.07
  4. Step 4: Simplify right side
    866,337.35x = 596,443,052,499.25
  5. Step 5: Solve for x
    x = 596,443,052,499.25/866,337.35
  6. Step 6: Final answer
    x = 688,465.13

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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.