Home / 1,418,318.74-1,957,012.17-845,412.22

Finding the Fourth Proportional to 1,418,318.74, 1,957,012.17 and 845,412.22

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Solution

The fourth proportional to 1,418,318.74, 1,957,012.17 and 845,412.22 is: 1,166,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,318.74 : 1,957,012.17 = 845,412.22 : x
  2. Step 2: Convert to fraction form
    1,418,318.74/1,957,012.17 = 845,412.22/x
  3. Step 3: Cross multiply
    1,418,318.74x = 1,957,012.17 × 845,412.22
  4. Step 4: Simplify right side
    1,418,318.74x = 1,654,482,003,206.72
  5. Step 5: Solve for x
    x = 1,654,482,003,206.72/1,418,318.74
  6. Step 6: Final answer
    x = 1,166,509.30

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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.