Home / 889,641.20-1,227,703.56-487,233.20

Finding the Fourth Proportional to 889,641.20, 1,227,703.56 and 487,233.20

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Solution

The fourth proportional to 889,641.20, 1,227,703.56 and 487,233.20 is: 672,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,641.20 : 1,227,703.56 = 487,233.20 : x
  2. Step 2: Convert to fraction form
    889,641.20/1,227,703.56 = 487,233.20/x
  3. Step 3: Cross multiply
    889,641.20x = 1,227,703.56 × 487,233.20
  4. Step 4: Simplify right side
    889,641.20x = 598,177,934,190.19
  5. Step 5: Solve for x
    x = 598,177,934,190.19/889,641.20
  6. Step 6: Final answer
    x = 672,381.11

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Double scale
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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.