Home / 818,511.12-1,226,133.72-650,316.24

Finding the Fourth Proportional to 818,511.12, 1,226,133.72 and 650,316.24

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Solution

The fourth proportional to 818,511.12, 1,226,133.72 and 650,316.24 is: 974,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,511.12 : 1,226,133.72 = 650,316.24 : x
  2. Step 2: Convert to fraction form
    818,511.12/1,226,133.72 = 650,316.24/x
  3. Step 3: Cross multiply
    818,511.12x = 1,226,133.72 × 650,316.24
  4. Step 4: Simplify right side
    818,511.12x = 797,374,670,527.61
  5. Step 5: Solve for x
    x = 797,374,670,527.61/818,511.12
  6. Step 6: Final answer
    x = 974,176.96

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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.