Home / 1,462,811.61-2,193,428.46-663,657.12

Finding the Fourth Proportional to 1,462,811.61, 2,193,428.46 and 663,657.12

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Solution

The fourth proportional to 1,462,811.61, 2,193,428.46 and 663,657.12 is: 995,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,811.61 : 2,193,428.46 = 663,657.12 : x
  2. Step 2: Convert to fraction form
    1,462,811.61/2,193,428.46 = 663,657.12/x
  3. Step 3: Cross multiply
    1,462,811.61x = 2,193,428.46 × 663,657.12
  4. Step 4: Simplify right side
    1,462,811.61x = 1,455,684,414,689.64
  5. Step 5: Solve for x
    x = 1,455,684,414,689.64/1,462,811.61
  6. Step 6: Final answer
    x = 995,127.74

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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.