Home / 631,286.40-946,929.60-531,753.60

Finding the Fourth Proportional to 631,286.40, 946,929.60 and 531,753.60

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Solution

The fourth proportional to 631,286.40, 946,929.60 and 531,753.60 is: 797,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,286.40 : 946,929.60 = 531,753.60 : x
  2. Step 2: Convert to fraction form
    631,286.40/946,929.60 = 531,753.60/x
  3. Step 3: Cross multiply
    631,286.40x = 946,929.60 × 531,753.60
  4. Step 4: Simplify right side
    631,286.40x = 503,533,223,746.56
  5. Step 5: Solve for x
    x = 503,533,223,746.56/631,286.40
  6. Step 6: Final answer
    x = 797,630.40

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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.