Home / 623,914.47-861,001.97-337,434.56

Finding the Fourth Proportional to 623,914.47, 861,001.97 and 337,434.56

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Solution

The fourth proportional to 623,914.47, 861,001.97 and 337,434.56 is: 465,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,914.47 : 861,001.97 = 337,434.56 : x
  2. Step 2: Convert to fraction form
    623,914.47/861,001.97 = 337,434.56/x
  3. Step 3: Cross multiply
    623,914.47x = 861,001.97 × 337,434.56
  4. Step 4: Simplify right side
    623,914.47x = 290,531,814,913.90
  5. Step 5: Solve for x
    x = 290,531,814,913.90/623,914.47
  6. Step 6: Final answer
    x = 465,659.68

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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.