Home / 899,382.88-1,241,115.60-517,468.96

Finding the Fourth Proportional to 899,382.88, 1,241,115.60 and 517,468.96

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Solution

The fourth proportional to 899,382.88, 1,241,115.60 and 517,468.96 is: 714,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,382.88 : 1,241,115.60 = 517,468.96 : x
  2. Step 2: Convert to fraction form
    899,382.88/1,241,115.60 = 517,468.96/x
  3. Step 3: Cross multiply
    899,382.88x = 1,241,115.60 × 517,468.96
  4. Step 4: Simplify right side
    899,382.88x = 642,238,798,771.78
  5. Step 5: Solve for x
    x = 642,238,798,771.78/899,382.88
  6. Step 6: Final answer
    x = 714,088.31

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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.