Home / 778,862.17-1,168,292.65-217,896.67

Finding the Fourth Proportional to 778,862.17, 1,168,292.65 and 217,896.67

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Solution

The fourth proportional to 778,862.17, 1,168,292.65 and 217,896.67 is: 326,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,862.17 : 1,168,292.65 = 217,896.67 : x
  2. Step 2: Convert to fraction form
    778,862.17/1,168,292.65 = 217,896.67/x
  3. Step 3: Cross multiply
    778,862.17x = 1,168,292.65 × 217,896.67
  4. Step 4: Simplify right side
    778,862.17x = 254,567,076,930.99
  5. Step 5: Solve for x
    x = 254,567,076,930.99/778,862.17
  6. Step 6: Final answer
    x = 326,844.83

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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.