Home / 1,356,522.10-1,872,089.01-783,586.42

Finding the Fourth Proportional to 1,356,522.10, 1,872,089.01 and 783,586.42

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Solution

The fourth proportional to 1,356,522.10, 1,872,089.01 and 783,586.42 is: 1,081,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,522.10 : 1,872,089.01 = 783,586.42 : x
  2. Step 2: Convert to fraction form
    1,356,522.10/1,872,089.01 = 783,586.42/x
  3. Step 3: Cross multiply
    1,356,522.10x = 1,872,089.01 × 783,586.42
  4. Step 4: Simplify right side
    1,356,522.10x = 1,466,943,525,267.24
  5. Step 5: Solve for x
    x = 1,466,943,525,267.24/1,356,522.10
  6. Step 6: Final answer
    x = 1,081,400.39

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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.