Home / 837,424.71-1,155,651.57-455,454.27

Finding the Fourth Proportional to 837,424.71, 1,155,651.57 and 455,454.27

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Solution

The fourth proportional to 837,424.71, 1,155,651.57 and 455,454.27 is: 628,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,424.71 : 1,155,651.57 = 455,454.27 : x
  2. Step 2: Convert to fraction form
    837,424.71/1,155,651.57 = 455,454.27/x
  3. Step 3: Cross multiply
    837,424.71x = 1,155,651.57 × 455,454.27
  4. Step 4: Simplify right side
    837,424.71x = 526,346,442,188.70
  5. Step 5: Solve for x
    x = 526,346,442,188.70/837,424.71
  6. Step 6: Final answer
    x = 628,529.87

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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.