Home / 714,230.87-1,071,625.09-314,591.45

Finding the Fourth Proportional to 714,230.87, 1,071,625.09 and 314,591.45

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Solution

The fourth proportional to 714,230.87, 1,071,625.09 and 314,591.45 is: 472,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,230.87 : 1,071,625.09 = 314,591.45 : x
  2. Step 2: Convert to fraction form
    714,230.87/1,071,625.09 = 314,591.45/x
  3. Step 3: Cross multiply
    714,230.87x = 1,071,625.09 × 314,591.45
  4. Step 4: Simplify right side
    714,230.87x = 337,124,090,919.48
  5. Step 5: Solve for x
    x = 337,124,090,919.48/714,230.87
  6. Step 6: Final answer
    x = 472,009.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.