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Finding the Fourth Proportional to 1,584,070.80, 2,186,060.68 and 895,845.57

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Solution

The fourth proportional to 1,584,070.80, 2,186,060.68 and 895,845.57 is: 1,236,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,070.80 : 2,186,060.68 = 895,845.57 : x
  2. Step 2: Convert to fraction form
    1,584,070.80/2,186,060.68 = 895,845.57/x
  3. Step 3: Cross multiply
    1,584,070.80x = 2,186,060.68 × 895,845.57
  4. Step 4: Simplify right side
    1,584,070.80x = 1,958,372,778,168.80
  5. Step 5: Solve for x
    x = 1,958,372,778,168.80/1,584,070.80
  6. Step 6: Final answer
    x = 1,236,291.19

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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.