Home / 1,228,526.15-1,842,882.51-418,658.85

Finding the Fourth Proportional to 1,228,526.15, 1,842,882.51 and 418,658.85

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Solution

The fourth proportional to 1,228,526.15, 1,842,882.51 and 418,658.85 is: 628,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,526.15 : 1,842,882.51 = 418,658.85 : x
  2. Step 2: Convert to fraction form
    1,228,526.15/1,842,882.51 = 418,658.85/x
  3. Step 3: Cross multiply
    1,228,526.15x = 1,842,882.51 × 418,658.85
  4. Step 4: Simplify right side
    1,228,526.15x = 771,539,072,321.71
  5. Step 5: Solve for x
    x = 771,539,072,321.71/1,228,526.15
  6. Step 6: Final answer
    x = 628,020.07

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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.