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Finding the Fourth Proportional to 1,371,855.60, 1,892,530.44 and 888,582

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Solution

The fourth proportional to 1,371,855.60, 1,892,530.44 and 888,582 is: 1,225,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,855.60 : 1,892,530.44 = 888,582 : x
  2. Step 2: Convert to fraction form
    1,371,855.60/1,892,530.44 = 888,582/x
  3. Step 3: Cross multiply
    1,371,855.60x = 1,892,530.44 × 888,582
  4. Step 4: Simplify right side
    1,371,855.60x = 1,681,668,483,436.08
  5. Step 5: Solve for x
    x = 1,681,668,483,436.08/1,371,855.60
  6. Step 6: Final answer
    x = 1,225,834.91

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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.