Home / 1,477,689.40-2,216,534.10-531,155.80

Finding the Fourth Proportional to 1,477,689.40, 2,216,534.10 and 531,155.80

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Solution

The fourth proportional to 1,477,689.40, 2,216,534.10 and 531,155.80 is: 796,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,689.40 : 2,216,534.10 = 531,155.80 : x
  2. Step 2: Convert to fraction form
    1,477,689.40/2,216,534.10 = 531,155.80/x
  3. Step 3: Cross multiply
    1,477,689.40x = 2,216,534.10 × 531,155.80
  4. Step 4: Simplify right side
    1,477,689.40x = 1,177,324,943,112.78
  5. Step 5: Solve for x
    x = 1,177,324,943,112.78/1,477,689.40
  6. Step 6: Final answer
    x = 796,733.70

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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.