Home / 1,039,572.36-1,436,014.01-783,385.82

Finding the Fourth Proportional to 1,039,572.36, 1,436,014.01 and 783,385.82

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Solution

The fourth proportional to 1,039,572.36, 1,436,014.01 and 783,385.82 is: 1,082,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,572.36 : 1,436,014.01 = 783,385.82 : x
  2. Step 2: Convert to fraction form
    1,039,572.36/1,436,014.01 = 783,385.82/x
  3. Step 3: Cross multiply
    1,039,572.36x = 1,436,014.01 × 783,385.82
  4. Step 4: Simplify right side
    1,039,572.36x = 1,124,953,001,658.34
  5. Step 5: Solve for x
    x = 1,124,953,001,658.34/1,039,572.36
  6. Step 6: Final answer
    x = 1,082,130.54

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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.