Home / 923,069.52-1,272,073.91-664,490.30

Finding the Fourth Proportional to 923,069.52, 1,272,073.91 and 664,490.30

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Solution

The fourth proportional to 923,069.52, 1,272,073.91 and 664,490.30 is: 915,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,069.52 : 1,272,073.91 = 664,490.30 : x
  2. Step 2: Convert to fraction form
    923,069.52/1,272,073.91 = 664,490.30/x
  3. Step 3: Cross multiply
    923,069.52x = 1,272,073.91 × 664,490.30
  4. Step 4: Simplify right side
    923,069.52x = 845,280,764,395.25
  5. Step 5: Solve for x
    x = 845,280,764,395.25/923,069.52
  6. Step 6: Final answer
    x = 915,728.17

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Double scale
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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.