Home / 947,285.15-1,307,238.05-517,556.03

Finding the Fourth Proportional to 947,285.15, 1,307,238.05 and 517,556.03

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Solution

The fourth proportional to 947,285.15, 1,307,238.05 and 517,556.03 is: 714,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,285.15 : 1,307,238.05 = 517,556.03 : x
  2. Step 2: Convert to fraction form
    947,285.15/1,307,238.05 = 517,556.03/x
  3. Step 3: Cross multiply
    947,285.15x = 1,307,238.05 × 517,556.03
  4. Step 4: Simplify right side
    947,285.15x = 676,568,926,298.97
  5. Step 5: Solve for x
    x = 676,568,926,298.97/947,285.15
  6. Step 6: Final answer
    x = 714,218.87

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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.