Home / 873,649.01-1,205,300.61-542,349.56

Finding the Fourth Proportional to 873,649.01, 1,205,300.61 and 542,349.56

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Solution

The fourth proportional to 873,649.01, 1,205,300.61 and 542,349.56 is: 748,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,649.01 : 1,205,300.61 = 542,349.56 : x
  2. Step 2: Convert to fraction form
    873,649.01/1,205,300.61 = 542,349.56/x
  3. Step 3: Cross multiply
    873,649.01x = 1,205,300.61 × 542,349.56
  4. Step 4: Simplify right side
    873,649.01x = 653,694,249,474.73
  5. Step 5: Solve for x
    x = 653,694,249,474.73/873,649.01
  6. Step 6: Final answer
    x = 748,234.41

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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.