Home / 1,455,044.38-2,007,807.66-843,389.02

Finding the Fourth Proportional to 1,455,044.38, 2,007,807.66 and 843,389.02

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Solution

The fourth proportional to 1,455,044.38, 2,007,807.66 and 843,389.02 is: 1,163,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,044.38 : 2,007,807.66 = 843,389.02 : x
  2. Step 2: Convert to fraction form
    1,455,044.38/2,007,807.66 = 843,389.02/x
  3. Step 3: Cross multiply
    1,455,044.38x = 2,007,807.66 × 843,389.02
  4. Step 4: Simplify right side
    1,455,044.38x = 1,693,362,934,715.89
  5. Step 5: Solve for x
    x = 1,693,362,934,715.89/1,455,044.38
  6. Step 6: Final answer
    x = 1,163,787.83

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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.