Home / 741,601.19-1,023,429.80-419,359.50

Finding the Fourth Proportional to 741,601.19, 1,023,429.80 and 419,359.50

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Solution

The fourth proportional to 741,601.19, 1,023,429.80 and 419,359.50 is: 578,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,601.19 : 1,023,429.80 = 419,359.50 : x
  2. Step 2: Convert to fraction form
    741,601.19/1,023,429.80 = 419,359.50/x
  3. Step 3: Cross multiply
    741,601.19x = 1,023,429.80 × 419,359.50
  4. Step 4: Simplify right side
    741,601.19x = 429,185,010,261.50
  5. Step 5: Solve for x
    x = 429,185,010,261.50/741,601.19
  6. Step 6: Final answer
    x = 578,727.51

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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.