Home / 558,631.16-771,172.27-357,543.80

Finding the Fourth Proportional to 558,631.16, 771,172.27 and 357,543.80

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Solution

The fourth proportional to 558,631.16, 771,172.27 and 357,543.80 is: 493,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,631.16 : 771,172.27 = 357,543.80 : x
  2. Step 2: Convert to fraction form
    558,631.16/771,172.27 = 357,543.80/x
  3. Step 3: Cross multiply
    558,631.16x = 771,172.27 × 357,543.80
  4. Step 4: Simplify right side
    558,631.16x = 275,727,859,120.71
  5. Step 5: Solve for x
    x = 275,727,859,120.71/558,631.16
  6. Step 6: Final answer
    x = 493,577.66

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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.