Home / 613,984.59-921,296.70-464,180.63

Finding the Fourth Proportional to 613,984.59, 921,296.70 and 464,180.63

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Solution

The fourth proportional to 613,984.59, 921,296.70 and 464,180.63 is: 696,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,984.59 : 921,296.70 = 464,180.63 : x
  2. Step 2: Convert to fraction form
    613,984.59/921,296.70 = 464,180.63/x
  3. Step 3: Cross multiply
    613,984.59x = 921,296.70 × 464,180.63
  4. Step 4: Simplify right side
    613,984.59x = 427,648,078,016.44
  5. Step 5: Solve for x
    x = 427,648,078,016.44/613,984.59
  6. Step 6: Final answer
    x = 696,512.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.