Home / 663,087.60-994,631.40-558,111.60

Finding the Fourth Proportional to 663,087.60, 994,631.40 and 558,111.60

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Solution

The fourth proportional to 663,087.60, 994,631.40 and 558,111.60 is: 837,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,087.60 : 994,631.40 = 558,111.60 : x
  2. Step 2: Convert to fraction form
    663,087.60/994,631.40 = 558,111.60/x
  3. Step 3: Cross multiply
    663,087.60x = 994,631.40 × 558,111.60
  4. Step 4: Simplify right side
    663,087.60x = 555,115,322,064.24
  5. Step 5: Solve for x
    x = 555,115,322,064.24/663,087.60
  6. Step 6: Final answer
    x = 837,167.40

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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.