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Finding the Fourth Proportional to 1,798,866.70, 2,697,531.95 and 1,041,231.12

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Solution

The fourth proportional to 1,798,866.70, 2,697,531.95 and 1,041,231.12 is: 1,561,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,866.70 : 2,697,531.95 = 1,041,231.12 : x
  2. Step 2: Convert to fraction form
    1,798,866.70/2,697,531.95 = 1,041,231.12/x
  3. Step 3: Cross multiply
    1,798,866.70x = 2,697,531.95 × 1,041,231.12
  4. Step 4: Simplify right side
    1,798,866.70x = 2,808,754,213,534.28
  5. Step 5: Solve for x
    x = 2,808,754,213,534.28/1,798,866.70
  6. Step 6: Final answer
    x = 1,561,402.08

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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.