Home / 786,602.35-1,179,900.15-217,981.81

Finding the Fourth Proportional to 786,602.35, 1,179,900.15 and 217,981.81

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Solution

The fourth proportional to 786,602.35, 1,179,900.15 and 217,981.81 is: 326,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,602.35 : 1,179,900.15 = 217,981.81 : x
  2. Step 2: Convert to fraction form
    786,602.35/1,179,900.15 = 217,981.81/x
  3. Step 3: Cross multiply
    786,602.35x = 1,179,900.15 × 217,981.81
  4. Step 4: Simplify right side
    786,602.35x = 257,196,770,316.27
  5. Step 5: Solve for x
    x = 257,196,770,316.27/786,602.35
  6. Step 6: Final answer
    x = 326,971.78

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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.