Home / 763,142.73-1,053,084.29-423,584.25

Finding the Fourth Proportional to 763,142.73, 1,053,084.29 and 423,584.25

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Solution

The fourth proportional to 763,142.73, 1,053,084.29 and 423,584.25 is: 584,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,142.73 : 1,053,084.29 = 423,584.25 : x
  2. Step 2: Convert to fraction form
    763,142.73/1,053,084.29 = 423,584.25/x
  3. Step 3: Cross multiply
    763,142.73x = 1,053,084.29 × 423,584.25
  4. Step 4: Simplify right side
    763,142.73x = 446,069,917,048.51
  5. Step 5: Solve for x
    x = 446,069,917,048.51/763,142.73
  6. Step 6: Final answer
    x = 584,517.02

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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.