Home / 629,928.30-944,892.45-619,430.70

Finding the Fourth Proportional to 629,928.30, 944,892.45 and 619,430.70

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Solution

The fourth proportional to 629,928.30, 944,892.45 and 619,430.70 is: 929,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,928.30 : 944,892.45 = 619,430.70 : x
  2. Step 2: Convert to fraction form
    629,928.30/944,892.45 = 619,430.70/x
  3. Step 3: Cross multiply
    629,928.30x = 944,892.45 × 619,430.70
  4. Step 4: Simplify right side
    629,928.30x = 585,295,391,728.22
  5. Step 5: Solve for x
    x = 585,295,391,728.22/629,928.30
  6. Step 6: Final answer
    x = 929,146.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.