Home / 917,186.59-1,375,778.06-243,335.44

Finding the Fourth Proportional to 917,186.59, 1,375,778.06 and 243,335.44

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Solution

The fourth proportional to 917,186.59, 1,375,778.06 and 243,335.44 is: 365,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,186.59 : 1,375,778.06 = 243,335.44 : x
  2. Step 2: Convert to fraction form
    917,186.59/1,375,778.06 = 243,335.44/x
  3. Step 3: Cross multiply
    917,186.59x = 1,375,778.06 × 243,335.44
  4. Step 4: Simplify right side
    917,186.59x = 334,775,562,356.76
  5. Step 5: Solve for x
    x = 334,775,562,356.76/917,186.59
  6. Step 6: Final answer
    x = 365,002.68

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1.5x scale

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.