Home / 741,774.65-1,023,671.30-419,478.28

Finding the Fourth Proportional to 741,774.65, 1,023,671.30 and 419,478.28

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Solution

The fourth proportional to 741,774.65, 1,023,671.30 and 419,478.28 is: 578,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,774.65 : 1,023,671.30 = 419,478.28 : x
  2. Step 2: Convert to fraction form
    741,774.65/1,023,671.30 = 419,478.28/x
  3. Step 3: Cross multiply
    741,774.65x = 1,023,671.30 × 419,478.28
  4. Step 4: Simplify right side
    741,774.65x = 429,407,871,552.79
  5. Step 5: Solve for x
    x = 429,407,871,552.79/741,774.65
  6. Step 6: Final answer
    x = 578,892.63

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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.