Home / 1,412,134.56-1,948,698-808,405.92

Finding the Fourth Proportional to 1,412,134.56, 1,948,698 and 808,405.92

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Solution

The fourth proportional to 1,412,134.56, 1,948,698 and 808,405.92 is: 1,115,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,134.56 : 1,948,698 = 808,405.92 : x
  2. Step 2: Convert to fraction form
    1,412,134.56/1,948,698 = 808,405.92/x
  3. Step 3: Cross multiply
    1,412,134.56x = 1,948,698 × 808,405.92
  4. Step 4: Simplify right side
    1,412,134.56x = 1,575,338,999,492.16
  5. Step 5: Solve for x
    x = 1,575,338,999,492.16/1,412,134.56
  6. Step 6: Final answer
    x = 1,115,572.87

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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.