Home / 669,203.60-923,095.16-397,092.16

Finding the Fourth Proportional to 669,203.60, 923,095.16 and 397,092.16

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Solution

The fourth proportional to 669,203.60, 923,095.16 and 397,092.16 is: 547,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,203.60 : 923,095.16 = 397,092.16 : x
  2. Step 2: Convert to fraction form
    669,203.60/923,095.16 = 397,092.16/x
  3. Step 3: Cross multiply
    669,203.60x = 923,095.16 × 397,092.16
  4. Step 4: Simplify right side
    669,203.60x = 366,553,850,969.95
  5. Step 5: Solve for x
    x = 366,553,850,969.95/669,203.60
  6. Step 6: Final answer
    x = 547,746.38

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Double scale
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Similar ratio
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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.