Home / 623,916.59-861,004.90-337,436.68

Finding the Fourth Proportional to 623,916.59, 861,004.90 and 337,436.68

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Solution

The fourth proportional to 623,916.59, 861,004.90 and 337,436.68 is: 465,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,916.59 : 861,004.90 = 337,436.68 : x
  2. Step 2: Convert to fraction form
    623,916.59/861,004.90 = 337,436.68/x
  3. Step 3: Cross multiply
    623,916.59x = 861,004.90 × 337,436.68
  4. Step 4: Simplify right side
    623,916.59x = 290,534,634,919.73
  5. Step 5: Solve for x
    x = 290,534,634,919.73/623,916.59
  6. Step 6: Final answer
    x = 465,662.62

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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.