Home / 1,041,294.49-1,437,731.07-812,107.82

Finding the Fourth Proportional to 1,041,294.49, 1,437,731.07 and 812,107.82

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Solution

The fourth proportional to 1,041,294.49, 1,437,731.07 and 812,107.82 is: 1,121,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,294.49 : 1,437,731.07 = 812,107.82 : x
  2. Step 2: Convert to fraction form
    1,041,294.49/1,437,731.07 = 812,107.82/x
  3. Step 3: Cross multiply
    1,041,294.49x = 1,437,731.07 × 812,107.82
  4. Step 4: Simplify right side
    1,041,294.49x = 1,167,592,645,552.89
  5. Step 5: Solve for x
    x = 1,167,592,645,552.89/1,041,294.49
  6. Step 6: Final answer
    x = 1,121,289.57

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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.