Home / 623,913.77-861,001.04-337,433.78

Finding the Fourth Proportional to 623,913.77, 861,001.04 and 337,433.78

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Solution

The fourth proportional to 623,913.77, 861,001.04 and 337,433.78 is: 465,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,913.77 : 861,001.04 = 337,433.78 : x
  2. Step 2: Convert to fraction form
    623,913.77/861,001.04 = 337,433.78/x
  3. Step 3: Cross multiply
    623,913.77x = 861,001.04 × 337,433.78
  4. Step 4: Simplify right side
    623,913.77x = 290,530,838,507.22
  5. Step 5: Solve for x
    x = 290,530,838,507.22/623,913.77
  6. Step 6: Final answer
    x = 465,658.64

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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.