Home / 1,377,001.40-2,064,080.55-619,205.90

Finding the Fourth Proportional to 1,377,001.40, 2,064,080.55 and 619,205.90

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Solution

The fourth proportional to 1,377,001.40, 2,064,080.55 and 619,205.90 is: 928,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,001.40 : 2,064,080.55 = 619,205.90 : x
  2. Step 2: Convert to fraction form
    1,377,001.40/2,064,080.55 = 619,205.90/x
  3. Step 3: Cross multiply
    1,377,001.40x = 2,064,080.55 × 619,205.90
  4. Step 4: Simplify right side
    1,377,001.40x = 1,278,090,854,635.25
  5. Step 5: Solve for x
    x = 1,278,090,854,635.25/1,377,001.40
  6. Step 6: Final answer
    x = 928,169.61

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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.