Home / 920,918.92-1,270,531-558,081.04

Finding the Fourth Proportional to 920,918.92, 1,270,531 and 558,081.04

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Solution

The fourth proportional to 920,918.92, 1,270,531 and 558,081.04 is: 769,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,918.92 : 1,270,531 = 558,081.04 : x
  2. Step 2: Convert to fraction form
    920,918.92/1,270,531 = 558,081.04/x
  3. Step 3: Cross multiply
    920,918.92x = 1,270,531 × 558,081.04
  4. Step 4: Simplify right side
    920,918.92x = 709,059,261,832.24
  5. Step 5: Solve for x
    x = 709,059,261,832.24/920,918.92
  6. Step 6: Final answer
    x = 769,947.55

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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.