Home / 1,690,589.78-2,333,253.14-1,046,217.57

Finding the Fourth Proportional to 1,690,589.78, 2,333,253.14 and 1,046,217.57

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Solution

The fourth proportional to 1,690,589.78, 2,333,253.14 and 1,046,217.57 is: 1,443,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,589.78 : 2,333,253.14 = 1,046,217.57 : x
  2. Step 2: Convert to fraction form
    1,690,589.78/2,333,253.14 = 1,046,217.57/x
  3. Step 3: Cross multiply
    1,690,589.78x = 2,333,253.14 × 1,046,217.57
  4. Step 4: Simplify right side
    1,690,589.78x = 2,441,090,426,153.17
  5. Step 5: Solve for x
    x = 2,441,090,426,153.17/1,690,589.78
  6. Step 6: Final answer
    x = 1,443,928.30

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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.