Home / 927,734.51-1,389,238.98-611,231.87

Finding the Fourth Proportional to 927,734.51, 1,389,238.98 and 611,231.87

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Solution

The fourth proportional to 927,734.51, 1,389,238.98 and 611,231.87 is: 915,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,734.51 : 1,389,238.98 = 611,231.87 : x
  2. Step 2: Convert to fraction form
    927,734.51/1,389,238.98 = 611,231.87/x
  3. Step 3: Cross multiply
    927,734.51x = 1,389,238.98 × 611,231.87
  4. Step 4: Simplify right side
    927,734.51x = 849,147,132,676.10
  5. Step 5: Solve for x
    x = 849,147,132,676.10/927,734.51
  6. Step 6: Final answer
    x = 915,291.10

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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.