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Finding the Fourth Proportional to 1,194,894.56, 1,788,129.84 and 745,826.24

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Solution

The fourth proportional to 1,194,894.56, 1,788,129.84 and 745,826.24 is: 1,116,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,894.56 : 1,788,129.84 = 745,826.24 : x
  2. Step 2: Convert to fraction form
    1,194,894.56/1,788,129.84 = 745,826.24/x
  3. Step 3: Cross multiply
    1,194,894.56x = 1,788,129.84 × 745,826.24
  4. Step 4: Simplify right side
    1,194,894.56x = 1,333,634,155,199.00
  5. Step 5: Solve for x
    x = 1,333,634,155,199.00/1,194,894.56
  6. Step 6: Final answer
    x = 1,116,110.32

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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.