Home / 372,001.74-513,402.48-210,839.46

Finding the Fourth Proportional to 372,001.74, 513,402.48 and 210,839.46

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Solution

The fourth proportional to 372,001.74, 513,402.48 and 210,839.46 is: 290,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,001.74 : 513,402.48 = 210,839.46 : x
  2. Step 2: Convert to fraction form
    372,001.74/513,402.48 = 210,839.46/x
  3. Step 3: Cross multiply
    372,001.74x = 513,402.48 × 210,839.46
  4. Step 4: Simplify right side
    372,001.74x = 108,245,501,645.86
  5. Step 5: Solve for x
    x = 108,245,501,645.86/372,001.74
  6. Step 6: Final answer
    x = 290,981.17

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1.5x scale

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.