Home / 950,345.98-1,311,422.34-520,551.28

Finding the Fourth Proportional to 950,345.98, 1,311,422.34 and 520,551.28

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Solution

The fourth proportional to 950,345.98, 1,311,422.34 and 520,551.28 is: 718,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,345.98 : 1,311,422.34 = 520,551.28 : x
  2. Step 2: Convert to fraction form
    950,345.98/1,311,422.34 = 520,551.28/x
  3. Step 3: Cross multiply
    950,345.98x = 1,311,422.34 × 520,551.28
  4. Step 4: Simplify right side
    950,345.98x = 682,662,577,707.60
  5. Step 5: Solve for x
    x = 682,662,577,707.60/950,345.98
  6. Step 6: Final answer
    x = 718,330.58

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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.