Home / 767,057.22-1,058,540.13-427,518.18

Finding the Fourth Proportional to 767,057.22, 1,058,540.13 and 427,518.18

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Solution

The fourth proportional to 767,057.22, 1,058,540.13 and 427,518.18 is: 589,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,057.22 : 1,058,540.13 = 427,518.18 : x
  2. Step 2: Convert to fraction form
    767,057.22/1,058,540.13 = 427,518.18/x
  3. Step 3: Cross multiply
    767,057.22x = 1,058,540.13 × 427,518.18
  4. Step 4: Simplify right side
    767,057.22x = 452,545,149,834.56
  5. Step 5: Solve for x
    x = 452,545,149,834.56/767,057.22
  6. Step 6: Final answer
    x = 589,975.74

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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.