Home / 912,255.36-1,259,112.24-530,502.36

Finding the Fourth Proportional to 912,255.36, 1,259,112.24 and 530,502.36

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Solution

The fourth proportional to 912,255.36, 1,259,112.24 and 530,502.36 is: 732,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,255.36 : 1,259,112.24 = 530,502.36 : x
  2. Step 2: Convert to fraction form
    912,255.36/1,259,112.24 = 530,502.36/x
  3. Step 3: Cross multiply
    912,255.36x = 1,259,112.24 × 530,502.36
  4. Step 4: Simplify right side
    912,255.36x = 667,962,014,824.89
  5. Step 5: Solve for x
    x = 667,962,014,824.89/912,255.36
  6. Step 6: Final answer
    x = 732,209.47

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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.