Home / 716,630.34-1,075,101.02-217,981.38

Finding the Fourth Proportional to 716,630.34, 1,075,101.02 and 217,981.38

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Solution

The fourth proportional to 716,630.34, 1,075,101.02 and 217,981.38 is: 327,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,630.34 : 1,075,101.02 = 217,981.38 : x
  2. Step 2: Convert to fraction form
    716,630.34/1,075,101.02 = 217,981.38/x
  3. Step 3: Cross multiply
    716,630.34x = 1,075,101.02 × 217,981.38
  4. Step 4: Simplify right side
    716,630.34x = 234,352,003,979.01
  5. Step 5: Solve for x
    x = 234,352,003,979.01/716,630.34
  6. Step 6: Final answer
    x = 327,019.37

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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.