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Finding the Fourth Proportional to 1,266,723.41, 1,748,013.35 and 693,751.28

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Solution

The fourth proportional to 1,266,723.41, 1,748,013.35 and 693,751.28 is: 957,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,723.41 : 1,748,013.35 = 693,751.28 : x
  2. Step 2: Convert to fraction form
    1,266,723.41/1,748,013.35 = 693,751.28/x
  3. Step 3: Cross multiply
    1,266,723.41x = 1,748,013.35 × 693,751.28
  4. Step 4: Simplify right side
    1,266,723.41x = 1,212,686,486,810.76
  5. Step 5: Solve for x
    x = 1,212,686,486,810.76/1,266,723.41
  6. Step 6: Final answer
    x = 957,341.19

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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.