Home / 543,273.18-749,637.09-301,557.57

Finding the Fourth Proportional to 543,273.18, 749,637.09 and 301,557.57

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Solution

The fourth proportional to 543,273.18, 749,637.09 and 301,557.57 is: 416,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,273.18 : 749,637.09 = 301,557.57 : x
  2. Step 2: Convert to fraction form
    543,273.18/749,637.09 = 301,557.57/x
  3. Step 3: Cross multiply
    543,273.18x = 749,637.09 × 301,557.57
  4. Step 4: Simplify right side
    543,273.18x = 226,058,739,242.27
  5. Step 5: Solve for x
    x = 226,058,739,242.27/543,273.18
  6. Step 6: Final answer
    x = 416,105.10

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1.5x scale

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.