Home / 572,087.10-858,130.65-545,843.10

Finding the Fourth Proportional to 572,087.10, 858,130.65 and 545,843.10

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Solution

The fourth proportional to 572,087.10, 858,130.65 and 545,843.10 is: 818,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,087.10 : 858,130.65 = 545,843.10 : x
  2. Step 2: Convert to fraction form
    572,087.10/858,130.65 = 545,843.10/x
  3. Step 3: Cross multiply
    572,087.10x = 858,130.65 × 545,843.10
  4. Step 4: Simplify right side
    572,087.10x = 468,404,694,201.02
  5. Step 5: Solve for x
    x = 468,404,694,201.02/572,087.10
  6. Step 6: Final answer
    x = 818,764.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.