Home / 994,878.88-1,372,892.80-542,160.16

Finding the Fourth Proportional to 994,878.88, 1,372,892.80 and 542,160.16

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Solution

The fourth proportional to 994,878.88, 1,372,892.80 and 542,160.16 is: 748,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,878.88 : 1,372,892.80 = 542,160.16 : x
  2. Step 2: Convert to fraction form
    994,878.88/1,372,892.80 = 542,160.16/x
  3. Step 3: Cross multiply
    994,878.88x = 1,372,892.80 × 542,160.16
  4. Step 4: Simplify right side
    994,878.88x = 744,327,780,110.85
  5. Step 5: Solve for x
    x = 744,327,780,110.85/994,878.88
  6. Step 6: Final answer
    x = 748,159.19

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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.