Home / 1,106,687.20-1,660,030.80-358,733.20

Finding the Fourth Proportional to 1,106,687.20, 1,660,030.80 and 358,733.20

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Solution

The fourth proportional to 1,106,687.20, 1,660,030.80 and 358,733.20 is: 538,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,687.20 : 1,660,030.80 = 358,733.20 : x
  2. Step 2: Convert to fraction form
    1,106,687.20/1,660,030.80 = 358,733.20/x
  3. Step 3: Cross multiply
    1,106,687.20x = 1,660,030.80 × 358,733.20
  4. Step 4: Simplify right side
    1,106,687.20x = 595,508,160,982.56
  5. Step 5: Solve for x
    x = 595,508,160,982.56/1,106,687.20
  6. Step 6: Final answer
    x = 538,099.80

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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.