Home / 975,659.17-1,463,488.72-643,157.41

Finding the Fourth Proportional to 975,659.17, 1,463,488.72 and 643,157.41

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Solution

The fourth proportional to 975,659.17, 1,463,488.72 and 643,157.41 is: 964,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,659.17 : 1,463,488.72 = 643,157.41 : x
  2. Step 2: Convert to fraction form
    975,659.17/1,463,488.72 = 643,157.41/x
  3. Step 3: Cross multiply
    975,659.17x = 1,463,488.72 × 643,157.41
  4. Step 4: Simplify right side
    975,659.17x = 941,253,614,719.42
  5. Step 5: Solve for x
    x = 941,253,614,719.42/975,659.17
  6. Step 6: Final answer
    x = 964,736.09

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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.