Home / 623,971.77-861,081.03-337,491.87

Finding the Fourth Proportional to 623,971.77, 861,081.03 and 337,491.87

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Solution

The fourth proportional to 623,971.77, 861,081.03 and 337,491.87 is: 465,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,971.77 : 861,081.03 = 337,491.87 : x
  2. Step 2: Convert to fraction form
    623,971.77/861,081.03 = 337,491.87/x
  3. Step 3: Cross multiply
    623,971.77x = 861,081.03 × 337,491.87
  4. Step 4: Simplify right side
    623,971.77x = 290,607,843,807.17
  5. Step 5: Solve for x
    x = 290,607,843,807.17/623,971.77
  6. Step 6: Final answer
    x = 465,738.77

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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.