Home / 1,121,472.32-1,682,208.32-619,226.75

Finding the Fourth Proportional to 1,121,472.32, 1,682,208.32 and 619,226.75

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Solution

The fourth proportional to 1,121,472.32, 1,682,208.32 and 619,226.75 is: 928,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,472.32 : 1,682,208.32 = 619,226.75 : x
  2. Step 2: Convert to fraction form
    1,121,472.32/1,682,208.32 = 619,226.75/x
  3. Step 3: Cross multiply
    1,121,472.32x = 1,682,208.32 × 619,226.75
  4. Step 4: Simplify right side
    1,121,472.32x = 1,041,668,391,925.95
  5. Step 5: Solve for x
    x = 1,041,668,391,925.95/1,121,472.32
  6. Step 6: Final answer
    x = 928,840.04

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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.