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Finding the Fourth Proportional to 1,094,553.80, 1,641,830.70 and 1,019,904.20

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Solution

The fourth proportional to 1,094,553.80, 1,641,830.70 and 1,019,904.20 is: 1,529,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,553.80 : 1,641,830.70 = 1,019,904.20 : x
  2. Step 2: Convert to fraction form
    1,094,553.80/1,641,830.70 = 1,019,904.20/x
  3. Step 3: Cross multiply
    1,094,553.80x = 1,641,830.70 × 1,019,904.20
  4. Step 4: Simplify right side
    1,094,553.80x = 1,674,510,026,618.94
  5. Step 5: Solve for x
    x = 1,674,510,026,618.94/1,094,553.80
  6. Step 6: Final answer
    x = 1,529,856.30

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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.