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Finding the Fourth Proportional to 1,397,466, 1,928,503.08 and 761,562

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Solution

The fourth proportional to 1,397,466, 1,928,503.08 and 761,562 is: 1,050,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,466 : 1,928,503.08 = 761,562 : x
  2. Step 2: Convert to fraction form
    1,397,466/1,928,503.08 = 761,562/x
  3. Step 3: Cross multiply
    1,397,466x = 1,928,503.08 × 761,562
  4. Step 4: Simplify right side
    1,397,466x = 1,468,674,662,610.96
  5. Step 5: Solve for x
    x = 1,468,674,662,610.96/1,397,466
  6. Step 6: Final answer
    x = 1,050,955.56

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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.