Home / 766,507.25-1,057,545.86-444,155.06

Finding the Fourth Proportional to 766,507.25, 1,057,545.86 and 444,155.06

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Solution

The fourth proportional to 766,507.25, 1,057,545.86 and 444,155.06 is: 612,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,507.25 : 1,057,545.86 = 444,155.06 : x
  2. Step 2: Convert to fraction form
    766,507.25/1,057,545.86 = 444,155.06/x
  3. Step 3: Cross multiply
    766,507.25x = 1,057,545.86 × 444,155.06
  4. Step 4: Simplify right side
    766,507.25x = 469,714,345,324.14
  5. Step 5: Solve for x
    x = 469,714,345,324.14/766,507.25
  6. Step 6: Final answer
    x = 612,798.31

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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.