Home / 785,946.86-1,178,920.14-336,376.21

Finding the Fourth Proportional to 785,946.86, 1,178,920.14 and 336,376.21

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Solution

The fourth proportional to 785,946.86, 1,178,920.14 and 336,376.21 is: 504,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,946.86 : 1,178,920.14 = 336,376.21 : x
  2. Step 2: Convert to fraction form
    785,946.86/1,178,920.14 = 336,376.21/x
  3. Step 3: Cross multiply
    785,946.86x = 1,178,920.14 × 336,376.21
  4. Step 4: Simplify right side
    785,946.86x = 396,560,685,638.57
  5. Step 5: Solve for x
    x = 396,560,685,638.57/785,946.86
  6. Step 6: Final answer
    x = 504,564.25

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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.