Home / 943,003.10-1,301,372.12-667,853.21

Finding the Fourth Proportional to 943,003.10, 1,301,372.12 and 667,853.21

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Solution

The fourth proportional to 943,003.10, 1,301,372.12 and 667,853.21 is: 921,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,003.10 : 1,301,372.12 = 667,853.21 : x
  2. Step 2: Convert to fraction form
    943,003.10/1,301,372.12 = 667,853.21/x
  3. Step 3: Cross multiply
    943,003.10x = 1,301,372.12 × 667,853.21
  4. Step 4: Simplify right side
    943,003.10x = 869,125,537,900.38
  5. Step 5: Solve for x
    x = 869,125,537,900.38/943,003.10
  6. Step 6: Final answer
    x = 921,657.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.