Home / 1,555,034.73-2,339,667.12-924,420.57

Finding the Fourth Proportional to 1,555,034.73, 2,339,667.12 and 924,420.57

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Solution

The fourth proportional to 1,555,034.73, 2,339,667.12 and 924,420.57 is: 1,390,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,034.73 : 2,339,667.12 = 924,420.57 : x
  2. Step 2: Convert to fraction form
    1,555,034.73/2,339,667.12 = 924,420.57/x
  3. Step 3: Cross multiply
    1,555,034.73x = 2,339,667.12 × 924,420.57
  4. Step 4: Simplify right side
    1,555,034.73x = 2,162,836,412,680.66
  5. Step 5: Solve for x
    x = 2,162,836,412,680.66/1,555,034.73
  6. Step 6: Final answer
    x = 1,390,860.52

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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.