Home / 505,220.22-696,019.61-351,981.23

Finding the Fourth Proportional to 505,220.22, 696,019.61 and 351,981.23

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Solution

The fourth proportional to 505,220.22, 696,019.61 and 351,981.23 is: 484,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,220.22 : 696,019.61 = 351,981.23 : x
  2. Step 2: Convert to fraction form
    505,220.22/696,019.61 = 351,981.23/x
  3. Step 3: Cross multiply
    505,220.22x = 696,019.61 × 351,981.23
  4. Step 4: Simplify right side
    505,220.22x = 244,985,833,191.92
  5. Step 5: Solve for x
    x = 244,985,833,191.92/505,220.22
  6. Step 6: Final answer
    x = 484,909.00

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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.