Home / 977,064.48-1,348,309.49-541,488.15

Finding the Fourth Proportional to 977,064.48, 1,348,309.49 and 541,488.15

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Solution

The fourth proportional to 977,064.48, 1,348,309.49 and 541,488.15 is: 747,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,064.48 : 1,348,309.49 = 541,488.15 : x
  2. Step 2: Convert to fraction form
    977,064.48/1,348,309.49 = 541,488.15/x
  3. Step 3: Cross multiply
    977,064.48x = 1,348,309.49 × 541,488.15
  4. Step 4: Simplify right side
    977,064.48x = 730,093,608,660.10
  5. Step 5: Solve for x
    x = 730,093,608,660.10/977,064.48
  6. Step 6: Final answer
    x = 747,231.76

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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.