Home / 756,437.92-1,043,891.60-416,919.20

Finding the Fourth Proportional to 756,437.92, 1,043,891.60 and 416,919.20

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Solution

The fourth proportional to 756,437.92, 1,043,891.60 and 416,919.20 is: 575,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,437.92 : 1,043,891.60 = 416,919.20 : x
  2. Step 2: Convert to fraction form
    756,437.92/1,043,891.60 = 416,919.20/x
  3. Step 3: Cross multiply
    756,437.92x = 1,043,891.60 × 416,919.20
  4. Step 4: Simplify right side
    756,437.92x = 435,218,450,758.72
  5. Step 5: Solve for x
    x = 435,218,450,758.72/756,437.92
  6. Step 6: Final answer
    x = 575,352.50

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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.