Home / 578,124.16-865,057.56-349,604.80

Finding the Fourth Proportional to 578,124.16, 865,057.56 and 349,604.80

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Solution

The fourth proportional to 578,124.16, 865,057.56 and 349,604.80 is: 523,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,124.16 : 865,057.56 = 349,604.80 : x
  2. Step 2: Convert to fraction form
    578,124.16/865,057.56 = 349,604.80/x
  3. Step 3: Cross multiply
    578,124.16x = 865,057.56 × 349,604.80
  4. Step 4: Simplify right side
    578,124.16x = 302,428,275,252.29
  5. Step 5: Solve for x
    x = 302,428,275,252.29/578,124.16
  6. Step 6: Final answer
    x = 523,119.94

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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.