Home / 741,570.49-1,023,339.32-419,287.51

Finding the Fourth Proportional to 741,570.49, 1,023,339.32 and 419,287.51

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Solution

The fourth proportional to 741,570.49, 1,023,339.32 and 419,287.51 is: 578,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,570.49 : 1,023,339.32 = 419,287.51 : x
  2. Step 2: Convert to fraction form
    741,570.49/1,023,339.32 = 419,287.51/x
  3. Step 3: Cross multiply
    741,570.49x = 1,023,339.32 × 419,287.51
  4. Step 4: Simplify right side
    741,570.49x = 429,073,390,366.67
  5. Step 5: Solve for x
    x = 429,073,390,366.67/741,570.49
  6. Step 6: Final answer
    x = 578,600.95

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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.