Home / 817,528.40-1,128,287.44-495,229.04

Finding the Fourth Proportional to 817,528.40, 1,128,287.44 and 495,229.04

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Solution

The fourth proportional to 817,528.40, 1,128,287.44 and 495,229.04 is: 683,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,528.40 : 1,128,287.44 = 495,229.04 : x
  2. Step 2: Convert to fraction form
    817,528.40/1,128,287.44 = 495,229.04/x
  3. Step 3: Cross multiply
    817,528.40x = 1,128,287.44 × 495,229.04
  4. Step 4: Simplify right side
    817,528.40x = 558,760,705,755.26
  5. Step 5: Solve for x
    x = 558,760,705,755.26/817,528.40
  6. Step 6: Final answer
    x = 683,475.59

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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.