Home / 927,825.72-1,389,375.96-611,323.08

Finding the Fourth Proportional to 927,825.72, 1,389,375.96 and 611,323.08

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Solution

The fourth proportional to 927,825.72, 1,389,375.96 and 611,323.08 is: 915,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,825.72 : 1,389,375.96 = 611,323.08 : x
  2. Step 2: Convert to fraction form
    927,825.72/1,389,375.96 = 611,323.08/x
  3. Step 3: Cross multiply
    927,825.72x = 1,389,375.96 × 611,323.08
  4. Step 4: Simplify right side
    927,825.72x = 849,357,591,145.16
  5. Step 5: Solve for x
    x = 849,357,591,145.16/927,825.72
  6. Step 6: Final answer
    x = 915,427.94

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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.