Home / 1,054,417.46-1,455,149.07-618,853.68

Finding the Fourth Proportional to 1,054,417.46, 1,455,149.07 and 618,853.68

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Solution

The fourth proportional to 1,054,417.46, 1,455,149.07 and 618,853.68 is: 854,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,417.46 : 1,455,149.07 = 618,853.68 : x
  2. Step 2: Convert to fraction form
    1,054,417.46/1,455,149.07 = 618,853.68/x
  3. Step 3: Cross multiply
    1,054,417.46x = 1,455,149.07 × 618,853.68
  4. Step 4: Simplify right side
    1,054,417.46x = 900,524,358,311.72
  5. Step 5: Solve for x
    x = 900,524,358,311.72/1,054,417.46
  6. Step 6: Final answer
    x = 854,049.18

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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.