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Finding the Fourth Proportional to 1,797,988.34, 2,696,963.90 and 1,039,347.02

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Solution

The fourth proportional to 1,797,988.34, 2,696,963.90 and 1,039,347.02 is: 1,559,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,988.34 : 2,696,963.90 = 1,039,347.02 : x
  2. Step 2: Convert to fraction form
    1,797,988.34/2,696,963.90 = 1,039,347.02/x
  3. Step 3: Cross multiply
    1,797,988.34x = 2,696,963.90 × 1,039,347.02
  4. Step 4: Simplify right side
    1,797,988.34x = 2,803,081,392,512.58
  5. Step 5: Solve for x
    x = 2,803,081,392,512.58/1,797,988.34
  6. Step 6: Final answer
    x = 1,559,009.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.