Home / 1,042,057.53-1,564,875.07-639,612.93

Finding the Fourth Proportional to 1,042,057.53, 1,564,875.07 and 639,612.93

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Solution

The fourth proportional to 1,042,057.53, 1,564,875.07 and 639,612.93 is: 960,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,057.53 : 1,564,875.07 = 639,612.93 : x
  2. Step 2: Convert to fraction form
    1,042,057.53/1,564,875.07 = 639,612.93/x
  3. Step 3: Cross multiply
    1,042,057.53x = 1,564,875.07 × 639,612.93
  4. Step 4: Simplify right side
    1,042,057.53x = 1,000,914,328,606.66
  5. Step 5: Solve for x
    x = 1,000,914,328,606.66/1,042,057.53
  6. Step 6: Final answer
    x = 960,517.34

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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.