Home / 931,656.21-1,285,731.17-523,886.42

Finding the Fourth Proportional to 931,656.21, 1,285,731.17 and 523,886.42

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Solution

The fourth proportional to 931,656.21, 1,285,731.17 and 523,886.42 is: 722,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,656.21 : 1,285,731.17 = 523,886.42 : x
  2. Step 2: Convert to fraction form
    931,656.21/1,285,731.17 = 523,886.42/x
  3. Step 3: Cross multiply
    931,656.21x = 1,285,731.17 × 523,886.42
  4. Step 4: Simplify right side
    931,656.21x = 673,577,090,685.62
  5. Step 5: Solve for x
    x = 673,577,090,685.62/931,656.21
  6. Step 6: Final answer
    x = 722,988.89

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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.