Home / 1,358,235.90-1,873,956.79-814,173.18

Finding the Fourth Proportional to 1,358,235.90, 1,873,956.79 and 814,173.18

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Solution

The fourth proportional to 1,358,235.90, 1,873,956.79 and 814,173.18 is: 1,123,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,235.90 : 1,873,956.79 = 814,173.18 : x
  2. Step 2: Convert to fraction form
    1,358,235.90/1,873,956.79 = 814,173.18/x
  3. Step 3: Cross multiply
    1,358,235.90x = 1,873,956.79 × 814,173.18
  4. Step 4: Simplify right side
    1,358,235.90x = 1,525,725,349,527.11
  5. Step 5: Solve for x
    x = 1,525,725,349,527.11/1,358,235.90
  6. Step 6: Final answer
    x = 1,123,313.97

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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.