Home / 543,407.20-749,926.14-301,693.12

Finding the Fourth Proportional to 543,407.20, 749,926.14 and 301,693.12

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Solution

The fourth proportional to 543,407.20, 749,926.14 and 301,693.12 is: 416,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,407.20 : 749,926.14 = 301,693.12 : x
  2. Step 2: Convert to fraction form
    543,407.20/749,926.14 = 301,693.12/x
  3. Step 3: Cross multiply
    543,407.20x = 749,926.14 × 301,693.12
  4. Step 4: Simplify right side
    543,407.20x = 226,247,556,946.16
  5. Step 5: Solve for x
    x = 226,247,556,946.16/543,407.20
  6. Step 6: Final answer
    x = 416,349.94

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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.