Home / 464,220.75-696,331.13-306,412.30

Finding the Fourth Proportional to 464,220.75, 696,331.13 and 306,412.30

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Solution

The fourth proportional to 464,220.75, 696,331.13 and 306,412.30 is: 459,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,220.75 : 696,331.13 = 306,412.30 : x
  2. Step 2: Convert to fraction form
    464,220.75/696,331.13 = 306,412.30/x
  3. Step 3: Cross multiply
    464,220.75x = 696,331.13 × 306,412.30
  4. Step 4: Simplify right side
    464,220.75x = 213,364,420,389.27
  5. Step 5: Solve for x
    x = 213,364,420,389.27/464,220.75
  6. Step 6: Final answer
    x = 459,618.45

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Double scale
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Similar ratio
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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.