Home / 440,169.38-607,440.04-256,403.23

Finding the Fourth Proportional to 440,169.38, 607,440.04 and 256,403.23

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Solution

The fourth proportional to 440,169.38, 607,440.04 and 256,403.23 is: 353,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,169.38 : 607,440.04 = 256,403.23 : x
  2. Step 2: Convert to fraction form
    440,169.38/607,440.04 = 256,403.23/x
  3. Step 3: Cross multiply
    440,169.38x = 607,440.04 × 256,403.23
  4. Step 4: Simplify right side
    440,169.38x = 155,749,586,127.72
  5. Step 5: Solve for x
    x = 155,749,586,127.72/440,169.38
  6. Step 6: Final answer
    x = 353,840.12

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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.