Home / 766,451.56-1,057,623.06-472,054.36

Finding the Fourth Proportional to 766,451.56, 1,057,623.06 and 472,054.36

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Solution

The fourth proportional to 766,451.56, 1,057,623.06 and 472,054.36 is: 651,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,451.56 : 1,057,623.06 = 472,054.36 : x
  2. Step 2: Convert to fraction form
    766,451.56/1,057,623.06 = 472,054.36/x
  3. Step 3: Cross multiply
    766,451.56x = 1,057,623.06 × 472,054.36
  4. Step 4: Simplify right side
    766,451.56x = 499,255,576,709.54
  5. Step 5: Solve for x
    x = 499,255,576,709.54/766,451.56
  6. Step 6: Final answer
    x = 651,385.69

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Double scale
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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.