Home / 1,140,325.12-1,573,649.27-624,078.71

Finding the Fourth Proportional to 1,140,325.12, 1,573,649.27 and 624,078.71

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Solution

The fourth proportional to 1,140,325.12, 1,573,649.27 and 624,078.71 is: 861,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,325.12 : 1,573,649.27 = 624,078.71 : x
  2. Step 2: Convert to fraction form
    1,140,325.12/1,573,649.27 = 624,078.71/x
  3. Step 3: Cross multiply
    1,140,325.12x = 1,573,649.27 × 624,078.71
  4. Step 4: Simplify right side
    1,140,325.12x = 982,080,998,545.80
  5. Step 5: Solve for x
    x = 982,080,998,545.80/1,140,325.12
  6. Step 6: Final answer
    x = 861,228.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.