Home / 501,095.96-691,110.66-440,538.20

Finding the Fourth Proportional to 501,095.96, 691,110.66 and 440,538.20

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Solution

The fourth proportional to 501,095.96, 691,110.66 and 440,538.20 is: 607,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,095.96 : 691,110.66 = 440,538.20 : x
  2. Step 2: Convert to fraction form
    501,095.96/691,110.66 = 440,538.20/x
  3. Step 3: Cross multiply
    501,095.96x = 691,110.66 × 440,538.20
  4. Step 4: Simplify right side
    501,095.96x = 304,460,646,157.21
  5. Step 5: Solve for x
    x = 304,460,646,157.21/501,095.96
  6. Step 6: Final answer
    x = 607,589.50

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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.