Home / 876,434.25-1,209,479.36-474,026.25

Finding the Fourth Proportional to 876,434.25, 1,209,479.36 and 474,026.25

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Solution

The fourth proportional to 876,434.25, 1,209,479.36 and 474,026.25 is: 654,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,434.25 : 1,209,479.36 = 474,026.25 : x
  2. Step 2: Convert to fraction form
    876,434.25/1,209,479.36 = 474,026.25/x
  3. Step 3: Cross multiply
    876,434.25x = 1,209,479.36 × 474,026.25
  4. Step 4: Simplify right side
    876,434.25x = 573,324,963,103.07
  5. Step 5: Solve for x
    x = 573,324,963,103.07/876,434.25
  6. Step 6: Final answer
    x = 654,156.27

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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.