Home / 818,303.28-1,227,247.56-344,984.88

Finding the Fourth Proportional to 818,303.28, 1,227,247.56 and 344,984.88

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Solution

The fourth proportional to 818,303.28, 1,227,247.56 and 344,984.88 is: 517,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,303.28 : 1,227,247.56 = 344,984.88 : x
  2. Step 2: Convert to fraction form
    818,303.28/1,227,247.56 = 344,984.88/x
  3. Step 3: Cross multiply
    818,303.28x = 1,227,247.56 × 344,984.88
  4. Step 4: Simplify right side
    818,303.28x = 423,381,852,216.89
  5. Step 5: Solve for x
    x = 423,381,852,216.89/818,303.28
  6. Step 6: Final answer
    x = 517,389.90

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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.