Home / 926,320.43-1,278,456.44-533,777.01

Finding the Fourth Proportional to 926,320.43, 1,278,456.44 and 533,777.01

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Solution

The fourth proportional to 926,320.43, 1,278,456.44 and 533,777.01 is: 736,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,320.43 : 1,278,456.44 = 533,777.01 : x
  2. Step 2: Convert to fraction form
    926,320.43/1,278,456.44 = 533,777.01/x
  3. Step 3: Cross multiply
    926,320.43x = 1,278,456.44 × 533,777.01
  4. Step 4: Simplify right side
    926,320.43x = 682,410,655,958.44
  5. Step 5: Solve for x
    x = 682,410,655,958.44/926,320.43
  6. Step 6: Final answer
    x = 736,689.63

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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.