Home / 1,077,664.92-1,487,277.45-618,839.70

Finding the Fourth Proportional to 1,077,664.92, 1,487,277.45 and 618,839.70

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Solution

The fourth proportional to 1,077,664.92, 1,487,277.45 and 618,839.70 is: 854,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,664.92 : 1,487,277.45 = 618,839.70 : x
  2. Step 2: Convert to fraction form
    1,077,664.92/1,487,277.45 = 618,839.70/x
  3. Step 3: Cross multiply
    1,077,664.92x = 1,487,277.45 × 618,839.70
  4. Step 4: Simplify right side
    1,077,664.92x = 920,386,330,974.77
  5. Step 5: Solve for x
    x = 920,386,330,974.77/1,077,664.92
  6. Step 6: Final answer
    x = 854,056.13

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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.