Home / 519,312.04-779,007.45-140,227.25

Finding the Fourth Proportional to 519,312.04, 779,007.45 and 140,227.25

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Solution

The fourth proportional to 519,312.04, 779,007.45 and 140,227.25 is: 210,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,312.04 : 779,007.45 = 140,227.25 : x
  2. Step 2: Convert to fraction form
    519,312.04/779,007.45 = 140,227.25/x
  3. Step 3: Cross multiply
    519,312.04x = 779,007.45 × 140,227.25
  4. Step 4: Simplify right side
    519,312.04x = 109,238,072,443.01
  5. Step 5: Solve for x
    x = 109,238,072,443.01/519,312.04
  6. Step 6: Final answer
    x = 210,351.51

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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.