Home / 1,011,026-1,517,705.40-513,439.76

Finding the Fourth Proportional to 1,011,026, 1,517,705.40 and 513,439.76

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Solution

The fourth proportional to 1,011,026, 1,517,705.40 and 513,439.76 is: 770,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,026 : 1,517,705.40 = 513,439.76 : x
  2. Step 2: Convert to fraction form
    1,011,026/1,517,705.40 = 513,439.76/x
  3. Step 3: Cross multiply
    1,011,026x = 1,517,705.40 × 513,439.76
  4. Step 4: Simplify right side
    1,011,026x = 779,250,296,326.70
  5. Step 5: Solve for x
    x = 779,250,296,326.70/1,011,026
  6. Step 6: Final answer
    x = 770,751.98

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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.