Home / 912,534.26-1,259,345.07-525,408.53

Finding the Fourth Proportional to 912,534.26, 1,259,345.07 and 525,408.53

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Solution

The fourth proportional to 912,534.26, 1,259,345.07 and 525,408.53 is: 725,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,534.26 : 1,259,345.07 = 525,408.53 : x
  2. Step 2: Convert to fraction form
    912,534.26/1,259,345.07 = 525,408.53/x
  3. Step 3: Cross multiply
    912,534.26x = 1,259,345.07 × 525,408.53
  4. Step 4: Simplify right side
    912,534.26x = 661,670,635,694.72
  5. Step 5: Solve for x
    x = 661,670,635,694.72/912,534.26
  6. Step 6: Final answer
    x = 725,091.29

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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.