Home / 914,325.06-1,261,754.67-500,858.55

Finding the Fourth Proportional to 914,325.06, 1,261,754.67 and 500,858.55

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Solution

The fourth proportional to 914,325.06, 1,261,754.67 and 500,858.55 is: 691,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,325.06 : 1,261,754.67 = 500,858.55 : x
  2. Step 2: Convert to fraction form
    914,325.06/1,261,754.67 = 500,858.55/x
  3. Step 3: Cross multiply
    914,325.06x = 1,261,754.67 × 500,858.55
  4. Step 4: Simplify right side
    914,325.06x = 631,960,614,471.93
  5. Step 5: Solve for x
    x = 631,960,614,471.93/914,325.06
  6. Step 6: Final answer
    x = 691,177.18

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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.