Home / 1,107,280-1,661,626.44-397,292.32

Finding the Fourth Proportional to 1,107,280, 1,661,626.44 and 397,292.32

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Solution

The fourth proportional to 1,107,280, 1,661,626.44 and 397,292.32 is: 596,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,280 : 1,661,626.44 = 397,292.32 : x
  2. Step 2: Convert to fraction form
    1,107,280/1,661,626.44 = 397,292.32/x
  3. Step 3: Cross multiply
    1,107,280x = 1,661,626.44 × 397,292.32
  4. Step 4: Simplify right side
    1,107,280x = 660,151,423,320.94
  5. Step 5: Solve for x
    x = 660,151,423,320.94/1,107,280
  6. Step 6: Final answer
    x = 596,191.95

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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.