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Finding the Fourth Proportional to 883,593.64, 1,219,364.12 and 496,425.39

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Solution

The fourth proportional to 883,593.64, 1,219,364.12 and 496,425.39 is: 685,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,593.64 : 1,219,364.12 = 496,425.39 : x
  2. Step 2: Convert to fraction form
    883,593.64/1,219,364.12 = 496,425.39/x
  3. Step 3: Cross multiply
    883,593.64x = 1,219,364.12 × 496,425.39
  4. Step 4: Simplify right side
    883,593.64x = 605,323,308,823.01
  5. Step 5: Solve for x
    x = 605,323,308,823.01/883,593.64
  6. Step 6: Final answer
    x = 685,069.79

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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.