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Finding the Fourth Proportional to 1,369,527, 1,889,310.54 and 886,248.18

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Solution

The fourth proportional to 1,369,527, 1,889,310.54 and 886,248.18 is: 1,222,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,527 : 1,889,310.54 = 886,248.18 : x
  2. Step 2: Convert to fraction form
    1,369,527/1,889,310.54 = 886,248.18/x
  3. Step 3: Cross multiply
    1,369,527x = 1,889,310.54 × 886,248.18
  4. Step 4: Simplify right side
    1,369,527x = 1,674,398,027,529.82
  5. Step 5: Solve for x
    x = 1,674,398,027,529.82/1,369,527
  6. Step 6: Final answer
    x = 1,222,610.45

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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.