Home / 786,120.57-1,084,839.82-441,957.98

Finding the Fourth Proportional to 786,120.57, 1,084,839.82 and 441,957.98

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Solution

The fourth proportional to 786,120.57, 1,084,839.82 and 441,957.98 is: 609,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,120.57 : 1,084,839.82 = 441,957.98 : x
  2. Step 2: Convert to fraction form
    786,120.57/1,084,839.82 = 441,957.98/x
  3. Step 3: Cross multiply
    786,120.57x = 1,084,839.82 × 441,957.98
  4. Step 4: Simplify right side
    786,120.57x = 479,453,617,077.97
  5. Step 5: Solve for x
    x = 479,453,617,077.97/786,120.57
  6. Step 6: Final answer
    x = 609,898.32

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1.5x scale

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.