Home / 927,569.80-1,389,542.59-639,330.22

Finding the Fourth Proportional to 927,569.80, 1,389,542.59 and 639,330.22

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Solution

The fourth proportional to 927,569.80, 1,389,542.59 and 639,330.22 is: 957,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,569.80 : 1,389,542.59 = 639,330.22 : x
  2. Step 2: Convert to fraction form
    927,569.80/1,389,542.59 = 639,330.22/x
  3. Step 3: Cross multiply
    927,569.80x = 1,389,542.59 × 639,330.22
  4. Step 4: Simplify right side
    927,569.80x = 888,376,569,764.07
  5. Step 5: Solve for x
    x = 888,376,569,764.07/927,569.80
  6. Step 6: Final answer
    x = 957,746.33

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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.