Home / 1,528,885.44-2,109,863.16-840,568.95

Finding the Fourth Proportional to 1,528,885.44, 2,109,863.16 and 840,568.95

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Solution

The fourth proportional to 1,528,885.44, 2,109,863.16 and 840,568.95 is: 1,159,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,885.44 : 2,109,863.16 = 840,568.95 : x
  2. Step 2: Convert to fraction form
    1,528,885.44/2,109,863.16 = 840,568.95/x
  3. Step 3: Cross multiply
    1,528,885.44x = 2,109,863.16 × 840,568.95
  4. Step 4: Simplify right side
    1,528,885.44x = 1,773,485,461,044.88
  5. Step 5: Solve for x
    x = 1,773,485,461,044.88/1,528,885.44
  6. Step 6: Final answer
    x = 1,159,985.84

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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.