Home / 558,633.16-771,175.03-357,545.80

Finding the Fourth Proportional to 558,633.16, 771,175.03 and 357,545.80

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Solution

The fourth proportional to 558,633.16, 771,175.03 and 357,545.80 is: 493,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,633.16 : 771,175.03 = 357,545.80 : x
  2. Step 2: Convert to fraction form
    558,633.16/771,175.03 = 357,545.80/x
  3. Step 3: Cross multiply
    558,633.16x = 771,175.03 × 357,545.80
  4. Step 4: Simplify right side
    558,633.16x = 275,730,393,041.37
  5. Step 5: Solve for x
    x = 275,730,393,041.37/558,633.16
  6. Step 6: Final answer
    x = 493,580.43

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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.