Home / 1,007,743.43-1,390,685.94-555,034.43

Finding the Fourth Proportional to 1,007,743.43, 1,390,685.94 and 555,034.43

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Solution

The fourth proportional to 1,007,743.43, 1,390,685.94 and 555,034.43 is: 765,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,743.43 : 1,390,685.94 = 555,034.43 : x
  2. Step 2: Convert to fraction form
    1,007,743.43/1,390,685.94 = 555,034.43/x
  3. Step 3: Cross multiply
    1,007,743.43x = 1,390,685.94 × 555,034.43
  4. Step 4: Simplify right side
    1,007,743.43x = 771,878,583,575.01
  5. Step 5: Solve for x
    x = 771,878,583,575.01/1,007,743.43
  6. Step 6: Final answer
    x = 765,947.52

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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.