Home / 891,625.36-1,230,442.86-509,660.34

Finding the Fourth Proportional to 891,625.36, 1,230,442.86 and 509,660.34

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Solution

The fourth proportional to 891,625.36, 1,230,442.86 and 509,660.34 is: 703,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,625.36 : 1,230,442.86 = 509,660.34 : x
  2. Step 2: Convert to fraction form
    891,625.36/1,230,442.86 = 509,660.34/x
  3. Step 3: Cross multiply
    891,625.36x = 1,230,442.86 × 509,660.34
  4. Step 4: Simplify right side
    891,625.36x = 627,107,926,378.17
  5. Step 5: Solve for x
    x = 627,107,926,378.17/891,625.36
  6. Step 6: Final answer
    x = 703,331.19

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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.