Home / 749,100.18-1,124,449.89-322,846.36

Finding the Fourth Proportional to 749,100.18, 1,124,449.89 and 322,846.36

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Solution

The fourth proportional to 749,100.18, 1,124,449.89 and 322,846.36 is: 484,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,100.18 : 1,124,449.89 = 322,846.36 : x
  2. Step 2: Convert to fraction form
    749,100.18/1,124,449.89 = 322,846.36/x
  3. Step 3: Cross multiply
    749,100.18x = 1,124,449.89 × 322,846.36
  4. Step 4: Simplify right side
    749,100.18x = 363,024,553,988.90
  5. Step 5: Solve for x
    x = 363,024,553,988.90/749,100.18
  6. Step 6: Final answer
    x = 484,614.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.