Home / 722,208.86-1,082,670.87-342,895.58

Finding the Fourth Proportional to 722,208.86, 1,082,670.87 and 342,895.58

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Solution

The fourth proportional to 722,208.86, 1,082,670.87 and 342,895.58 is: 514,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,208.86 : 1,082,670.87 = 342,895.58 : x
  2. Step 2: Convert to fraction form
    722,208.86/1,082,670.87 = 342,895.58/x
  3. Step 3: Cross multiply
    722,208.86x = 1,082,670.87 × 342,895.58
  4. Step 4: Simplify right side
    722,208.86x = 371,243,055,917.76
  5. Step 5: Solve for x
    x = 371,243,055,917.76/722,208.86
  6. Step 6: Final answer
    x = 514,038.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.