Home / 767,449.38-1,058,822.37-445,041.84

Finding the Fourth Proportional to 767,449.38, 1,058,822.37 and 445,041.84

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Solution

The fourth proportional to 767,449.38, 1,058,822.37 and 445,041.84 is: 614,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,449.38 : 1,058,822.37 = 445,041.84 : x
  2. Step 2: Convert to fraction form
    767,449.38/1,058,822.37 = 445,041.84/x
  3. Step 3: Cross multiply
    767,449.38x = 1,058,822.37 × 445,041.84
  4. Step 4: Simplify right side
    767,449.38x = 471,220,255,777.96
  5. Step 5: Solve for x
    x = 471,220,255,777.96/767,449.38
  6. Step 6: Final answer
    x = 614,008.26

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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.