Home / 835,915.89-1,153,917.04-564,351.61

Finding the Fourth Proportional to 835,915.89, 1,153,917.04 and 564,351.61

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Solution

The fourth proportional to 835,915.89, 1,153,917.04 and 564,351.61 is: 779,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,915.89 : 1,153,917.04 = 564,351.61 : x
  2. Step 2: Convert to fraction form
    835,915.89/1,153,917.04 = 564,351.61/x
  3. Step 3: Cross multiply
    835,915.89x = 1,153,917.04 × 564,351.61
  4. Step 4: Simplify right side
    835,915.89x = 651,214,937,919.56
  5. Step 5: Solve for x
    x = 651,214,937,919.56/835,915.89
  6. Step 6: Final answer
    x = 779,043.62

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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.