Home / 648,187.24-894,440.10-406,392.52

Finding the Fourth Proportional to 648,187.24, 894,440.10 and 406,392.52

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Solution

The fourth proportional to 648,187.24, 894,440.10 and 406,392.52 is: 560,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,187.24 : 894,440.10 = 406,392.52 : x
  2. Step 2: Convert to fraction form
    648,187.24/894,440.10 = 406,392.52/x
  3. Step 3: Cross multiply
    648,187.24x = 894,440.10 × 406,392.52
  4. Step 4: Simplify right side
    648,187.24x = 363,493,766,228.05
  5. Step 5: Solve for x
    x = 363,493,766,228.05/648,187.24
  6. Step 6: Final answer
    x = 560,785.13

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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.