Home / 578,370.85-866,047.24-465,434.17

Finding the Fourth Proportional to 578,370.85, 866,047.24 and 465,434.17

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Solution

The fourth proportional to 578,370.85, 866,047.24 and 465,434.17 is: 696,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,370.85 : 866,047.24 = 465,434.17 : x
  2. Step 2: Convert to fraction form
    578,370.85/866,047.24 = 465,434.17/x
  3. Step 3: Cross multiply
    578,370.85x = 866,047.24 × 465,434.17
  4. Step 4: Simplify right side
    578,370.85x = 403,087,976,746.87
  5. Step 5: Solve for x
    x = 403,087,976,746.87/578,370.85
  6. Step 6: Final answer
    x = 696,936.88

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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.