Home / 823,570.82-1,136,539.34-474,518.32

Finding the Fourth Proportional to 823,570.82, 1,136,539.34 and 474,518.32

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Solution

The fourth proportional to 823,570.82, 1,136,539.34 and 474,518.32 is: 654,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,570.82 : 1,136,539.34 = 474,518.32 : x
  2. Step 2: Convert to fraction form
    823,570.82/1,136,539.34 = 474,518.32/x
  3. Step 3: Cross multiply
    823,570.82x = 1,136,539.34 × 474,518.32
  4. Step 4: Simplify right side
    823,570.82x = 539,308,734,796.21
  5. Step 5: Solve for x
    x = 539,308,734,796.21/823,570.82
  6. Step 6: Final answer
    x = 654,841.97

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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.