Home / 578,571.53-867,689.65-173,747.40

Finding the Fourth Proportional to 578,571.53, 867,689.65 and 173,747.40

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Solution

The fourth proportional to 578,571.53, 867,689.65 and 173,747.40 is: 260,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,571.53 : 867,689.65 = 173,747.40 : x
  2. Step 2: Convert to fraction form
    578,571.53/867,689.65 = 173,747.40/x
  3. Step 3: Cross multiply
    578,571.53x = 867,689.65 × 173,747.40
  4. Step 4: Simplify right side
    578,571.53x = 150,758,820,694.41
  5. Step 5: Solve for x
    x = 150,758,820,694.41/578,571.53
  6. Step 6: Final answer
    x = 260,570.76

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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.