Home / 624,312.98-861,341.04-406,422.18

Finding the Fourth Proportional to 624,312.98, 861,341.04 and 406,422.18

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Solution

The fourth proportional to 624,312.98, 861,341.04 and 406,422.18 is: 560,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,312.98 : 861,341.04 = 406,422.18 : x
  2. Step 2: Convert to fraction form
    624,312.98/861,341.04 = 406,422.18/x
  3. Step 3: Cross multiply
    624,312.98x = 861,341.04 × 406,422.18
  4. Step 4: Simplify right side
    624,312.98x = 350,068,103,200.27
  5. Step 5: Solve for x
    x = 350,068,103,200.27/624,312.98
  6. Step 6: Final answer
    x = 560,725.33

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1.5x scale

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.