Home / 690,070.61-952,287.17-384,146.43

Finding the Fourth Proportional to 690,070.61, 952,287.17 and 384,146.43

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Solution

The fourth proportional to 690,070.61, 952,287.17 and 384,146.43 is: 530,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,070.61 : 952,287.17 = 384,146.43 : x
  2. Step 2: Convert to fraction form
    690,070.61/952,287.17 = 384,146.43/x
  3. Step 3: Cross multiply
    690,070.61x = 952,287.17 × 384,146.43
  4. Step 4: Simplify right side
    690,070.61x = 365,817,714,769.57
  5. Step 5: Solve for x
    x = 365,817,714,769.57/690,070.61
  6. Step 6: Final answer
    x = 530,116.36

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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.