Home / 712,568.61-983,294.10-406,573.29

Finding the Fourth Proportional to 712,568.61, 983,294.10 and 406,573.29

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Solution

The fourth proportional to 712,568.61, 983,294.10 and 406,573.29 is: 561,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,568.61 : 983,294.10 = 406,573.29 : x
  2. Step 2: Convert to fraction form
    712,568.61/983,294.10 = 406,573.29/x
  3. Step 3: Cross multiply
    712,568.61x = 983,294.10 × 406,573.29
  4. Step 4: Simplify right side
    712,568.61x = 399,781,117,274.59
  5. Step 5: Solve for x
    x = 399,781,117,274.59/712,568.61
  6. Step 6: Final answer
    x = 561,042.28

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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.