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Finding the Fourth Proportional to 1,194,370.80, 1,789,784.04 and 877,277.68

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Solution

The fourth proportional to 1,194,370.80, 1,789,784.04 and 877,277.68 is: 1,314,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,370.80 : 1,789,784.04 = 877,277.68 : x
  2. Step 2: Convert to fraction form
    1,194,370.80/1,789,784.04 = 877,277.68/x
  3. Step 3: Cross multiply
    1,194,370.80x = 1,789,784.04 × 877,277.68
  4. Step 4: Simplify right side
    1,194,370.80x = 1,570,137,590,312.23
  5. Step 5: Solve for x
    x = 1,570,137,590,312.23/1,194,370.80
  6. Step 6: Final answer
    x = 1,314,614.85

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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.