Home / 629,948.40-947,255.40-527,305.20

Finding the Fourth Proportional to 629,948.40, 947,255.40 and 527,305.20

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Solution

The fourth proportional to 629,948.40, 947,255.40 and 527,305.20 is: 792,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,948.40 : 947,255.40 = 527,305.20 : x
  2. Step 2: Convert to fraction form
    629,948.40/947,255.40 = 527,305.20/x
  3. Step 3: Cross multiply
    629,948.40x = 947,255.40 × 527,305.20
  4. Step 4: Simplify right side
    629,948.40x = 499,492,698,148.08
  5. Step 5: Solve for x
    x = 499,492,698,148.08/629,948.40
  6. Step 6: Final answer
    x = 792,910.50

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Double scale
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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.