Home / 931,507.74-1,285,616.79-523,643.16

Finding the Fourth Proportional to 931,507.74, 1,285,616.79 and 523,643.16

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Solution

The fourth proportional to 931,507.74, 1,285,616.79 and 523,643.16 is: 722,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,507.74 : 1,285,616.79 = 523,643.16 : x
  2. Step 2: Convert to fraction form
    931,507.74/1,285,616.79 = 523,643.16/x
  3. Step 3: Cross multiply
    931,507.74x = 1,285,616.79 × 523,643.16
  4. Step 4: Simplify right side
    931,507.74x = 673,204,438,464.66
  5. Step 5: Solve for x
    x = 673,204,438,464.66/931,507.74
  6. Step 6: Final answer
    x = 722,704.07

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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.