Home / 750,116.29-1,035,152.41-405,944.65

Finding the Fourth Proportional to 750,116.29, 1,035,152.41 and 405,944.65

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Solution

The fourth proportional to 750,116.29, 1,035,152.41 and 405,944.65 is: 560,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,116.29 : 1,035,152.41 = 405,944.65 : x
  2. Step 2: Convert to fraction form
    750,116.29/1,035,152.41 = 405,944.65/x
  3. Step 3: Cross multiply
    750,116.29x = 1,035,152.41 × 405,944.65
  4. Step 4: Simplify right side
    750,116.29x = 420,214,584,232.95
  5. Step 5: Solve for x
    x = 420,214,584,232.95/750,116.29
  6. Step 6: Final answer
    x = 560,199.25

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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.