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Finding the Fourth Proportional to 1,437,974.04, 1,984,050.36 and 879,027.24

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Solution

The fourth proportional to 1,437,974.04, 1,984,050.36 and 879,027.24 is: 1,212,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,974.04 : 1,984,050.36 = 879,027.24 : x
  2. Step 2: Convert to fraction form
    1,437,974.04/1,984,050.36 = 879,027.24/x
  3. Step 3: Cross multiply
    1,437,974.04x = 1,984,050.36 × 879,027.24
  4. Step 4: Simplify right side
    1,437,974.04x = 1,744,034,311,971.81
  5. Step 5: Solve for x
    x = 1,744,034,311,971.81/1,437,974.04
  6. Step 6: Final answer
    x = 1,212,841.31

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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.