Home / 906,645.78-1,251,213.48-524,598.66

Finding the Fourth Proportional to 906,645.78, 1,251,213.48 and 524,598.66

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Solution

The fourth proportional to 906,645.78, 1,251,213.48 and 524,598.66 is: 723,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,645.78 : 1,251,213.48 = 524,598.66 : x
  2. Step 2: Convert to fraction form
    906,645.78/1,251,213.48 = 524,598.66/x
  3. Step 3: Cross multiply
    906,645.78x = 1,251,213.48 × 524,598.66
  4. Step 4: Simplify right side
    906,645.78x = 656,384,914,981.94
  5. Step 5: Solve for x
    x = 656,384,914,981.94/906,645.78
  6. Step 6: Final answer
    x = 723,970.63

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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.