Home / 926,513.44-1,390,009.71-542,586.49

Finding the Fourth Proportional to 926,513.44, 1,390,009.71 and 542,586.49

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Solution

The fourth proportional to 926,513.44, 1,390,009.71 and 542,586.49 is: 814,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,513.44 : 1,390,009.71 = 542,586.49 : x
  2. Step 2: Convert to fraction form
    926,513.44/1,390,009.71 = 542,586.49/x
  3. Step 3: Cross multiply
    926,513.44x = 1,390,009.71 × 542,586.49
  4. Step 4: Simplify right side
    926,513.44x = 754,200,489,614.82
  5. Step 5: Solve for x
    x = 754,200,489,614.82/926,513.44
  6. Step 6: Final answer
    x = 814,020.02

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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.