Home / 936,903.15-1,406,287.85-516,377.07

Finding the Fourth Proportional to 936,903.15, 1,406,287.85 and 516,377.07

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Solution

The fourth proportional to 936,903.15, 1,406,287.85 and 516,377.07 is: 775,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,903.15 : 1,406,287.85 = 516,377.07 : x
  2. Step 2: Convert to fraction form
    936,903.15/1,406,287.85 = 516,377.07/x
  3. Step 3: Cross multiply
    936,903.15x = 1,406,287.85 × 516,377.07
  4. Step 4: Simplify right side
    936,903.15x = 726,174,796,977.71
  5. Step 5: Solve for x
    x = 726,174,796,977.71/936,903.15
  6. Step 6: Final answer
    x = 775,079.90

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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.