Home / 1,528,885.59-2,109,863.42-840,569.14

Finding the Fourth Proportional to 1,528,885.59, 2,109,863.42 and 840,569.14

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Solution

The fourth proportional to 1,528,885.59, 2,109,863.42 and 840,569.14 is: 1,159,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,885.59 : 2,109,863.42 = 840,569.14 : x
  2. Step 2: Convert to fraction form
    1,528,885.59/2,109,863.42 = 840,569.14/x
  3. Step 3: Cross multiply
    1,528,885.59x = 2,109,863.42 × 840,569.14
  4. Step 4: Simplify right side
    1,528,885.59x = 1,773,486,080,466.86
  5. Step 5: Solve for x
    x = 1,773,486,080,466.86/1,528,885.59
  6. Step 6: Final answer
    x = 1,159,986.13

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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.