Home / 950,036.25-1,311,064.29-520,356.45

Finding the Fourth Proportional to 950,036.25, 1,311,064.29 and 520,356.45

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Solution

The fourth proportional to 950,036.25, 1,311,064.29 and 520,356.45 is: 718,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,036.25 : 1,311,064.29 = 520,356.45 : x
  2. Step 2: Convert to fraction form
    950,036.25/1,311,064.29 = 520,356.45/x
  3. Step 3: Cross multiply
    950,036.25x = 1,311,064.29 × 520,356.45
  4. Step 4: Simplify right side
    950,036.25x = 682,220,759,666.17
  5. Step 5: Solve for x
    x = 682,220,759,666.17/950,036.25
  6. Step 6: Final answer
    x = 718,099.71

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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.