Home / 750,472.20-1,035,651.84-406,308.06

Finding the Fourth Proportional to 750,472.20, 1,035,651.84 and 406,308.06

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Solution

The fourth proportional to 750,472.20, 1,035,651.84 and 406,308.06 is: 560,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,472.20 : 1,035,651.84 = 406,308.06 : x
  2. Step 2: Convert to fraction form
    750,472.20/1,035,651.84 = 406,308.06/x
  3. Step 3: Cross multiply
    750,472.20x = 1,035,651.84 × 406,308.06
  4. Step 4: Simplify right side
    750,472.20x = 420,793,689,945.83
  5. Step 5: Solve for x
    x = 420,793,689,945.83/750,472.20
  6. Step 6: Final answer
    x = 560,705.23

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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.