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Finding the Fourth Proportional to 1,762,561, 2,432,334.18 and 957,745

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Solution

The fourth proportional to 1,762,561, 2,432,334.18 and 957,745 is: 1,321,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,561 : 2,432,334.18 = 957,745 : x
  2. Step 2: Convert to fraction form
    1,762,561/2,432,334.18 = 957,745/x
  3. Step 3: Cross multiply
    1,762,561x = 2,432,334.18 × 957,745
  4. Step 4: Simplify right side
    1,762,561x = 2,329,555,899,224.10
  5. Step 5: Solve for x
    x = 2,329,555,899,224.10/1,762,561
  6. Step 6: Final answer
    x = 1,321,688.10

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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.