Home / 416,631.30-623,962.80-282,786.90

Finding the Fourth Proportional to 416,631.30, 623,962.80 and 282,786.90

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Solution

The fourth proportional to 416,631.30, 623,962.80 and 282,786.90 is: 423,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,631.30 : 623,962.80 = 282,786.90 : x
  2. Step 2: Convert to fraction form
    416,631.30/623,962.80 = 282,786.90/x
  3. Step 3: Cross multiply
    416,631.30x = 623,962.80 × 282,786.90
  4. Step 4: Simplify right side
    416,631.30x = 176,448,505,927.32
  5. Step 5: Solve for x
    x = 176,448,505,927.32/416,631.30
  6. Step 6: Final answer
    x = 423,512.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.