Home / 862,333.34-1,190,513.28-572,338.17

Finding the Fourth Proportional to 862,333.34, 1,190,513.28 and 572,338.17

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Solution

The fourth proportional to 862,333.34, 1,190,513.28 and 572,338.17 is: 790,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,333.34 : 1,190,513.28 = 572,338.17 : x
  2. Step 2: Convert to fraction form
    862,333.34/1,190,513.28 = 572,338.17/x
  3. Step 3: Cross multiply
    862,333.34x = 1,190,513.28 × 572,338.17
  4. Step 4: Simplify right side
    862,333.34x = 681,376,192,035.90
  5. Step 5: Solve for x
    x = 681,376,192,035.90/862,333.34
  6. Step 6: Final answer
    x = 790,154.07

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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.