Home / 760,758.06-1,049,846.13-421,226.31

Finding the Fourth Proportional to 760,758.06, 1,049,846.13 and 421,226.31

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Solution

The fourth proportional to 760,758.06, 1,049,846.13 and 421,226.31 is: 581,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,758.06 : 1,049,846.13 = 421,226.31 : x
  2. Step 2: Convert to fraction form
    760,758.06/1,049,846.13 = 421,226.31/x
  3. Step 3: Cross multiply
    760,758.06x = 1,049,846.13 × 421,226.31
  4. Step 4: Simplify right side
    760,758.06x = 442,222,811,407.68
  5. Step 5: Solve for x
    x = 442,222,811,407.68/760,758.06
  6. Step 6: Final answer
    x = 581,292.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.