Home / 1,128,454.14-1,692,790.29-329,717.46

Finding the Fourth Proportional to 1,128,454.14, 1,692,790.29 and 329,717.46

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Solution

The fourth proportional to 1,128,454.14, 1,692,790.29 and 329,717.46 is: 494,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,454.14 : 1,692,790.29 = 329,717.46 : x
  2. Step 2: Convert to fraction form
    1,128,454.14/1,692,790.29 = 329,717.46/x
  3. Step 3: Cross multiply
    1,128,454.14x = 1,692,790.29 × 329,717.46
  4. Step 4: Simplify right side
    1,128,454.14x = 558,142,514,731.46
  5. Step 5: Solve for x
    x = 558,142,514,731.46/1,128,454.14
  6. Step 6: Final answer
    x = 494,608.06

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1.5x scale

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.