Home / 898,080.38-1,239,262.71-495,646.46

Finding the Fourth Proportional to 898,080.38, 1,239,262.71 and 495,646.46

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Solution

The fourth proportional to 898,080.38, 1,239,262.71 and 495,646.46 is: 683,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,080.38 : 1,239,262.71 = 495,646.46 : x
  2. Step 2: Convert to fraction form
    898,080.38/1,239,262.71 = 495,646.46/x
  3. Step 3: Cross multiply
    898,080.38x = 1,239,262.71 × 495,646.46
  4. Step 4: Simplify right side
    898,080.38x = 614,236,175,221.51
  5. Step 5: Solve for x
    x = 614,236,175,221.51/898,080.38
  6. Step 6: Final answer
    x = 683,943.43

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Double scale
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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.