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Finding the Fourth Proportional to 1,371,845.60, 1,892,516.64 and 888,572

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Solution

The fourth proportional to 1,371,845.60, 1,892,516.64 and 888,572 is: 1,225,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,845.60 : 1,892,516.64 = 888,572 : x
  2. Step 2: Convert to fraction form
    1,371,845.60/1,892,516.64 = 888,572/x
  3. Step 3: Cross multiply
    1,371,845.60x = 1,892,516.64 × 888,572
  4. Step 4: Simplify right side
    1,371,845.60x = 1,681,637,295,838.08
  5. Step 5: Solve for x
    x = 1,681,637,295,838.08/1,371,845.60
  6. Step 6: Final answer
    x = 1,225,821.11

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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.