Home / 912,239.43-1,259,090.27-530,486.43

Finding the Fourth Proportional to 912,239.43, 1,259,090.27 and 530,486.43

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Solution

The fourth proportional to 912,239.43, 1,259,090.27 and 530,486.43 is: 732,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,239.43 : 1,259,090.27 = 530,486.43 : x
  2. Step 2: Convert to fraction form
    912,239.43/1,259,090.27 = 530,486.43/x
  3. Step 3: Cross multiply
    912,239.43x = 1,259,090.27 × 530,486.43
  4. Step 4: Simplify right side
    912,239.43x = 667,930,299,727.60
  5. Step 5: Solve for x
    x = 667,930,299,727.60/912,239.43
  6. Step 6: Final answer
    x = 732,187.49

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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.