Home / 912,238.56-1,259,089.06-530,485.56

Finding the Fourth Proportional to 912,238.56, 1,259,089.06 and 530,485.56

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Solution

The fourth proportional to 912,238.56, 1,259,089.06 and 530,485.56 is: 732,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,238.56 : 1,259,089.06 = 530,485.56 : x
  2. Step 2: Convert to fraction form
    912,238.56/1,259,089.06 = 530,485.56/x
  3. Step 3: Cross multiply
    912,238.56x = 1,259,089.06 × 530,485.56
  4. Step 4: Simplify right side
    912,238.56x = 667,928,565,083.97
  5. Step 5: Solve for x
    x = 667,928,565,083.97/912,238.56
  6. Step 6: Final answer
    x = 732,186.29

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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.