Home / 578,585.72-867,809.49-152,154.78

Finding the Fourth Proportional to 578,585.72, 867,809.49 and 152,154.78

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Solution

The fourth proportional to 578,585.72, 867,809.49 and 152,154.78 is: 228,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,585.72 : 867,809.49 = 152,154.78 : x
  2. Step 2: Convert to fraction form
    578,585.72/867,809.49 = 152,154.78/x
  3. Step 3: Cross multiply
    578,585.72x = 867,809.49 × 152,154.78
  4. Step 4: Simplify right side
    578,585.72x = 132,041,358,208.00
  5. Step 5: Solve for x
    x = 132,041,358,208.00/578,585.72
  6. Step 6: Final answer
    x = 228,213.99

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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.