Home / 836,707.80-1,154,665.68-454,734.60

Finding the Fourth Proportional to 836,707.80, 1,154,665.68 and 454,734.60

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Solution

The fourth proportional to 836,707.80, 1,154,665.68 and 454,734.60 is: 627,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,707.80 : 1,154,665.68 = 454,734.60 : x
  2. Step 2: Convert to fraction form
    836,707.80/1,154,665.68 = 454,734.60/x
  3. Step 3: Cross multiply
    836,707.80x = 1,154,665.68 × 454,734.60
  4. Step 4: Simplify right side
    836,707.80x = 525,066,436,128.53
  5. Step 5: Solve for x
    x = 525,066,436,128.53/836,707.80
  6. Step 6: Final answer
    x = 627,538.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.