Home / 646,848.30-970,272.45-362,246.70

Finding the Fourth Proportional to 646,848.30, 970,272.45 and 362,246.70

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Solution

The fourth proportional to 646,848.30, 970,272.45 and 362,246.70 is: 543,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,848.30 : 970,272.45 = 362,246.70 : x
  2. Step 2: Convert to fraction form
    646,848.30/970,272.45 = 362,246.70/x
  3. Step 3: Cross multiply
    646,848.30x = 970,272.45 × 362,246.70
  4. Step 4: Simplify right side
    646,848.30x = 351,477,993,113.42
  5. Step 5: Solve for x
    x = 351,477,993,113.42/646,848.30
  6. Step 6: Final answer
    x = 543,370.05

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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.