Home / 914,047.19-1,370,231.15-314,865.92

Finding the Fourth Proportional to 914,047.19, 1,370,231.15 and 314,865.92

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Solution

The fourth proportional to 914,047.19, 1,370,231.15 and 314,865.92 is: 472,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,047.19 : 1,370,231.15 = 314,865.92 : x
  2. Step 2: Convert to fraction form
    914,047.19/1,370,231.15 = 314,865.92/x
  3. Step 3: Cross multiply
    914,047.19x = 1,370,231.15 × 314,865.92
  4. Step 4: Simplify right side
    914,047.19x = 431,439,085,593.42
  5. Step 5: Solve for x
    x = 431,439,085,593.42/914,047.19
  6. Step 6: Final answer
    x = 472,009.64

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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.