Home / 662,000.67-913,534.01-375,514.61

Finding the Fourth Proportional to 662,000.67, 913,534.01 and 375,514.61

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Solution

The fourth proportional to 662,000.67, 913,534.01 and 375,514.61 is: 518,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,000.67 : 913,534.01 = 375,514.61 : x
  2. Step 2: Convert to fraction form
    662,000.67/913,534.01 = 375,514.61/x
  3. Step 3: Cross multiply
    662,000.67x = 913,534.01 × 375,514.61
  4. Step 4: Simplify right side
    662,000.67x = 343,045,361,041.64
  5. Step 5: Solve for x
    x = 343,045,361,041.64/662,000.67
  6. Step 6: Final answer
    x = 518,194.88

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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.