Home / 623,917.98-861,007.32-337,437.72

Finding the Fourth Proportional to 623,917.98, 861,007.32 and 337,437.72

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Solution

The fourth proportional to 623,917.98, 861,007.32 and 337,437.72 is: 465,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,917.98 : 861,007.32 = 337,437.72 : x
  2. Step 2: Convert to fraction form
    623,917.98/861,007.32 = 337,437.72/x
  3. Step 3: Cross multiply
    623,917.98x = 861,007.32 × 337,437.72
  4. Step 4: Simplify right side
    623,917.98x = 290,536,346,964.11
  5. Step 5: Solve for x
    x = 290,536,346,964.11/623,917.98
  6. Step 6: Final answer
    x = 465,664.33

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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.