Home / 1,215,057.83-1,675,523.87-1,043,543.70

Finding the Fourth Proportional to 1,215,057.83, 1,675,523.87 and 1,043,543.70

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Solution

The fourth proportional to 1,215,057.83, 1,675,523.87 and 1,043,543.70 is: 1,439,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,057.83 : 1,675,523.87 = 1,043,543.70 : x
  2. Step 2: Convert to fraction form
    1,215,057.83/1,675,523.87 = 1,043,543.70/x
  3. Step 3: Cross multiply
    1,215,057.83x = 1,675,523.87 × 1,043,543.70
  4. Step 4: Simplify right side
    1,215,057.83x = 1,748,482,373,520.40
  5. Step 5: Solve for x
    x = 1,748,482,373,520.40/1,215,057.83
  6. Step 6: Final answer
    x = 1,439,011.66

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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.