Home / 637,971.04-957,104.80-217,250.56

Finding the Fourth Proportional to 637,971.04, 957,104.80 and 217,250.56

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Solution

The fourth proportional to 637,971.04, 957,104.80 and 217,250.56 is: 325,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,971.04 : 957,104.80 = 217,250.56 : x
  2. Step 2: Convert to fraction form
    637,971.04/957,104.80 = 217,250.56/x
  3. Step 3: Cross multiply
    637,971.04x = 957,104.80 × 217,250.56
  4. Step 4: Simplify right side
    637,971.04x = 207,931,553,778.69
  5. Step 5: Solve for x
    x = 207,931,553,778.69/637,971.04
  6. Step 6: Final answer
    x = 325,926.32

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Half scale
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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.