Home / 709,771.64-1,063,771.48-354,887.16

Finding the Fourth Proportional to 709,771.64, 1,063,771.48 and 354,887.16

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Solution

The fourth proportional to 709,771.64, 1,063,771.48 and 354,887.16 is: 531,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,771.64 : 1,063,771.48 = 354,887.16 : x
  2. Step 2: Convert to fraction form
    709,771.64/1,063,771.48 = 354,887.16/x
  3. Step 3: Cross multiply
    709,771.64x = 1,063,771.48 × 354,887.16
  4. Step 4: Simplify right side
    709,771.64x = 377,518,839,426.20
  5. Step 5: Solve for x
    x = 377,518,839,426.20/709,771.64
  6. Step 6: Final answer
    x = 531,887.75

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Double scale
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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.