Home / 1,130,043.70-1,695,065.55-1,118,233.90

Finding the Fourth Proportional to 1,130,043.70, 1,695,065.55 and 1,118,233.90

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Solution

The fourth proportional to 1,130,043.70, 1,695,065.55 and 1,118,233.90 is: 1,677,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,043.70 : 1,695,065.55 = 1,118,233.90 : x
  2. Step 2: Convert to fraction form
    1,130,043.70/1,695,065.55 = 1,118,233.90/x
  3. Step 3: Cross multiply
    1,130,043.70x = 1,695,065.55 × 1,118,233.90
  4. Step 4: Simplify right side
    1,130,043.70x = 1,895,479,760,732.14
  5. Step 5: Solve for x
    x = 1,895,479,760,732.14/1,130,043.70
  6. Step 6: Final answer
    x = 1,677,350.85

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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.