Home / 1,585,110.65-2,187,456.89-859,958.34

Finding the Fourth Proportional to 1,585,110.65, 2,187,456.89 and 859,958.34

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Solution

The fourth proportional to 1,585,110.65, 2,187,456.89 and 859,958.34 is: 1,186,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,110.65 : 2,187,456.89 = 859,958.34 : x
  2. Step 2: Convert to fraction form
    1,585,110.65/2,187,456.89 = 859,958.34/x
  3. Step 3: Cross multiply
    1,585,110.65x = 2,187,456.89 × 859,958.34
  4. Step 4: Simplify right side
    1,585,110.65x = 1,881,121,791,646.17
  5. Step 5: Solve for x
    x = 1,881,121,791,646.17/1,585,110.65
  6. Step 6: Final answer
    x = 1,186,744.79

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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.