Home / 558,449.15-831,357.53-555,127.65

Finding the Fourth Proportional to 558,449.15, 831,357.53 and 555,127.65

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Solution

The fourth proportional to 558,449.15, 831,357.53 and 555,127.65 is: 826,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,449.15 : 831,357.53 = 555,127.65 : x
  2. Step 2: Convert to fraction form
    558,449.15/831,357.53 = 555,127.65/x
  3. Step 3: Cross multiply
    558,449.15x = 831,357.53 × 555,127.65
  4. Step 4: Simplify right side
    558,449.15x = 461,509,551,244.80
  5. Step 5: Solve for x
    x = 461,509,551,244.80/558,449.15
  6. Step 6: Final answer
    x = 826,412.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.