Home / 1,178,894.73-1,626,874.74-642,350.73

Finding the Fourth Proportional to 1,178,894.73, 1,626,874.74 and 642,350.73

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Solution

The fourth proportional to 1,178,894.73, 1,626,874.74 and 642,350.73 is: 886,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,894.73 : 1,626,874.74 = 642,350.73 : x
  2. Step 2: Convert to fraction form
    1,178,894.73/1,626,874.74 = 642,350.73/x
  3. Step 3: Cross multiply
    1,178,894.73x = 1,626,874.74 × 642,350.73
  4. Step 4: Simplify right side
    1,178,894.73x = 1,045,024,176,857.56
  5. Step 5: Solve for x
    x = 1,045,024,176,857.56/1,178,894.73
  6. Step 6: Final answer
    x = 886,444.01

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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.