Home / 858,851.70-1,288,277.55-606,909.30

Finding the Fourth Proportional to 858,851.70, 1,288,277.55 and 606,909.30

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Solution

The fourth proportional to 858,851.70, 1,288,277.55 and 606,909.30 is: 910,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,851.70 : 1,288,277.55 = 606,909.30 : x
  2. Step 2: Convert to fraction form
    858,851.70/1,288,277.55 = 606,909.30/x
  3. Step 3: Cross multiply
    858,851.70x = 1,288,277.55 × 606,909.30
  4. Step 4: Simplify right side
    858,851.70x = 781,867,626,076.22
  5. Step 5: Solve for x
    x = 781,867,626,076.22/858,851.70
  6. Step 6: Final answer
    x = 910,363.95

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Double scale
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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.