Home / 1,208,657.06-1,667,950.07-664,848.57

Finding the Fourth Proportional to 1,208,657.06, 1,667,950.07 and 664,848.57

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Solution

The fourth proportional to 1,208,657.06, 1,667,950.07 and 664,848.57 is: 917,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,657.06 : 1,667,950.07 = 664,848.57 : x
  2. Step 2: Convert to fraction form
    1,208,657.06/1,667,950.07 = 664,848.57/x
  3. Step 3: Cross multiply
    1,208,657.06x = 1,667,950.07 × 664,848.57
  4. Step 4: Simplify right side
    1,208,657.06x = 1,108,934,218,870.90
  5. Step 5: Solve for x
    x = 1,108,934,218,870.90/1,208,657.06
  6. Step 6: Final answer
    x = 917,492.86

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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.