Home / 705,862.38-974,221.31-404,056.38

Finding the Fourth Proportional to 705,862.38, 974,221.31 and 404,056.38

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Solution

The fourth proportional to 705,862.38, 974,221.31 and 404,056.38 is: 557,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,862.38 : 974,221.31 = 404,056.38 : x
  2. Step 2: Convert to fraction form
    705,862.38/974,221.31 = 404,056.38/x
  3. Step 3: Cross multiply
    705,862.38x = 974,221.31 × 404,056.38
  4. Step 4: Simplify right side
    705,862.38x = 393,640,335,837.46
  5. Step 5: Solve for x
    x = 393,640,335,837.46/705,862.38
  6. Step 6: Final answer
    x = 557,672.92

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1.5x scale

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.