Home / 875,859.40-1,313,789.10-496,633.60

Finding the Fourth Proportional to 875,859.40, 1,313,789.10 and 496,633.60

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Solution

The fourth proportional to 875,859.40, 1,313,789.10 and 496,633.60 is: 744,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,859.40 : 1,313,789.10 = 496,633.60 : x
  2. Step 2: Convert to fraction form
    875,859.40/1,313,789.10 = 496,633.60/x
  3. Step 3: Cross multiply
    875,859.40x = 1,313,789.10 × 496,633.60
  4. Step 4: Simplify right side
    875,859.40x = 652,471,810,373.76
  5. Step 5: Solve for x
    x = 652,471,810,373.76/875,859.40
  6. Step 6: Final answer
    x = 744,950.40

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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.