Home / 716,628.84-1,075,098.77-217,979.88

Finding the Fourth Proportional to 716,628.84, 1,075,098.77 and 217,979.88

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Solution

The fourth proportional to 716,628.84, 1,075,098.77 and 217,979.88 is: 327,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,628.84 : 1,075,098.77 = 217,979.88 : x
  2. Step 2: Convert to fraction form
    716,628.84/1,075,098.77 = 217,979.88/x
  3. Step 3: Cross multiply
    716,628.84x = 1,075,098.77 × 217,979.88
  4. Step 4: Simplify right side
    716,628.84x = 234,349,900,872.75
  5. Step 5: Solve for x
    x = 234,349,900,872.75/716,628.84
  6. Step 6: Final answer
    x = 327,017.12

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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.