Home / 716,641.71-1,075,118.09-217,992.75

Finding the Fourth Proportional to 716,641.71, 1,075,118.09 and 217,992.75

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Solution

The fourth proportional to 716,641.71, 1,075,118.09 and 217,992.75 is: 327,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,641.71 : 1,075,118.09 = 217,992.75 : x
  2. Step 2: Convert to fraction form
    716,641.71/1,075,118.09 = 217,992.75/x
  3. Step 3: Cross multiply
    716,641.71x = 1,075,118.09 × 217,992.75
  4. Step 4: Simplify right side
    716,641.71x = 234,367,947,923.88
  5. Step 5: Solve for x
    x = 234,367,947,923.88/716,641.71
  6. Step 6: Final answer
    x = 327,036.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.