Home / 791,025.78-1,186,526.13-191,991.90

Finding the Fourth Proportional to 791,025.78, 1,186,526.13 and 191,991.90

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Solution

The fourth proportional to 791,025.78, 1,186,526.13 and 191,991.90 is: 287,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,025.78 : 1,186,526.13 = 191,991.90 : x
  2. Step 2: Convert to fraction form
    791,025.78/1,186,526.13 = 191,991.90/x
  3. Step 3: Cross multiply
    791,025.78x = 1,186,526.13 × 191,991.90
  4. Step 4: Simplify right side
    791,025.78x = 227,803,406,098.35
  5. Step 5: Solve for x
    x = 227,803,406,098.35/791,025.78
  6. Step 6: Final answer
    x = 287,984.81

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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.