Home / 479,320.02-716,172.24-462,557.16

Finding the Fourth Proportional to 479,320.02, 716,172.24 and 462,557.16

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Solution

The fourth proportional to 479,320.02, 716,172.24 and 462,557.16 is: 691,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,320.02 : 716,172.24 = 462,557.16 : x
  2. Step 2: Convert to fraction form
    479,320.02/716,172.24 = 462,557.16/x
  3. Step 3: Cross multiply
    479,320.02x = 716,172.24 × 462,557.16
  4. Step 4: Simplify right side
    479,320.02x = 331,270,597,405.24
  5. Step 5: Solve for x
    x = 331,270,597,405.24/479,320.02
  6. Step 6: Final answer
    x = 691,126.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.