Home / 1,112,204.28-1,668,393.90-438,238.92

Finding the Fourth Proportional to 1,112,204.28, 1,668,393.90 and 438,238.92

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Solution

The fourth proportional to 1,112,204.28, 1,668,393.90 and 438,238.92 is: 657,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,204.28 : 1,668,393.90 = 438,238.92 : x
  2. Step 2: Convert to fraction form
    1,112,204.28/1,668,393.90 = 438,238.92/x
  3. Step 3: Cross multiply
    1,112,204.28x = 1,668,393.90 × 438,238.92
  4. Step 4: Simplify right side
    1,112,204.28x = 731,155,140,870.59
  5. Step 5: Solve for x
    x = 731,155,140,870.59/1,112,204.28
  6. Step 6: Final answer
    x = 657,392.85

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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.