Home / 622,897.40-934,346.10-423,831.80

Finding the Fourth Proportional to 622,897.40, 934,346.10 and 423,831.80

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Solution

The fourth proportional to 622,897.40, 934,346.10 and 423,831.80 is: 635,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,897.40 : 934,346.10 = 423,831.80 : x
  2. Step 2: Convert to fraction form
    622,897.40/934,346.10 = 423,831.80/x
  3. Step 3: Cross multiply
    622,897.40x = 934,346.10 × 423,831.80
  4. Step 4: Simplify right side
    622,897.40x = 396,005,589,385.98
  5. Step 5: Solve for x
    x = 396,005,589,385.98/622,897.40
  6. Step 6: Final answer
    x = 635,747.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.