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Finding the Fourth Proportional to 789,981.84, 1,178,898 and 706,001.04

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Solution

The fourth proportional to 789,981.84, 1,178,898 and 706,001.04 is: 1,053,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,981.84 : 1,178,898 = 706,001.04 : x
  2. Step 2: Convert to fraction form
    789,981.84/1,178,898 = 706,001.04/x
  3. Step 3: Cross multiply
    789,981.84x = 1,178,898 × 706,001.04
  4. Step 4: Simplify right side
    789,981.84x = 832,303,214,053.92
  5. Step 5: Solve for x
    x = 832,303,214,053.92/789,981.84
  6. Step 6: Final answer
    x = 1,053,572.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.