Home / 440,164.41-607,433.18-256,398.26

Finding the Fourth Proportional to 440,164.41, 607,433.18 and 256,398.26

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Solution

The fourth proportional to 440,164.41, 607,433.18 and 256,398.26 is: 353,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,164.41 : 607,433.18 = 256,398.26 : x
  2. Step 2: Convert to fraction form
    440,164.41/607,433.18 = 256,398.26/x
  3. Step 3: Cross multiply
    440,164.41x = 607,433.18 × 256,398.26
  4. Step 4: Simplify right side
    440,164.41x = 155,744,808,022.10
  5. Step 5: Solve for x
    x = 155,744,808,022.10/440,164.41
  6. Step 6: Final answer
    x = 353,833.26

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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.