Home / 1,217,470.23-1,680,158.43-673,597.22

Finding the Fourth Proportional to 1,217,470.23, 1,680,158.43 and 673,597.22

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Solution

The fourth proportional to 1,217,470.23, 1,680,158.43 and 673,597.22 is: 929,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,470.23 : 1,680,158.43 = 673,597.22 : x
  2. Step 2: Convert to fraction form
    1,217,470.23/1,680,158.43 = 673,597.22/x
  3. Step 3: Cross multiply
    1,217,470.23x = 1,680,158.43 × 673,597.22
  4. Step 4: Simplify right side
    1,217,470.23x = 1,131,750,039,206.77
  5. Step 5: Solve for x
    x = 1,131,750,039,206.77/1,217,470.23
  6. Step 6: Final answer
    x = 929,591.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.