Home / 1,172,170.95-1,617,847.13-763,543.67

Finding the Fourth Proportional to 1,172,170.95, 1,617,847.13 and 763,543.67

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Solution

The fourth proportional to 1,172,170.95, 1,617,847.13 and 763,543.67 is: 1,053,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,170.95 : 1,617,847.13 = 763,543.67 : x
  2. Step 2: Convert to fraction form
    1,172,170.95/1,617,847.13 = 763,543.67/x
  3. Step 3: Cross multiply
    1,172,170.95x = 1,617,847.13 × 763,543.67
  4. Step 4: Simplify right side
    1,172,170.95x = 1,235,296,935,139.17
  5. Step 5: Solve for x
    x = 1,235,296,935,139.17/1,172,170.95
  6. Step 6: Final answer
    x = 1,053,853.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.