Home / 1,585,194.60-2,187,580.91-931,645.11

Finding the Fourth Proportional to 1,585,194.60, 2,187,580.91 and 931,645.11

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Solution

The fourth proportional to 1,585,194.60, 2,187,580.91 and 931,645.11 is: 1,285,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,194.60 : 2,187,580.91 = 931,645.11 : x
  2. Step 2: Convert to fraction form
    1,585,194.60/2,187,580.91 = 931,645.11/x
  3. Step 3: Cross multiply
    1,585,194.60x = 2,187,580.91 × 931,645.11
  4. Step 4: Simplify right side
    1,585,194.60x = 2,038,049,057,530.85
  5. Step 5: Solve for x
    x = 2,038,049,057,530.85/1,585,194.60
  6. Step 6: Final answer
    x = 1,285,677.52

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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.