Home / 438,109.26-604,598.58-256,951.85

Finding the Fourth Proportional to 438,109.26, 604,598.58 and 256,951.85

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Solution

The fourth proportional to 438,109.26, 604,598.58 and 256,951.85 is: 354,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,109.26 : 604,598.58 = 256,951.85 : x
  2. Step 2: Convert to fraction form
    438,109.26/604,598.58 = 256,951.85/x
  3. Step 3: Cross multiply
    438,109.26x = 604,598.58 × 256,951.85
  4. Step 4: Simplify right side
    438,109.26x = 155,352,720,615.38
  5. Step 5: Solve for x
    x = 155,352,720,615.38/438,109.26
  6. Step 6: Final answer
    x = 354,598.12

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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.