Home / 716,114.39-988,247.64-410,190.60

Finding the Fourth Proportional to 716,114.39, 988,247.64 and 410,190.60

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Solution

The fourth proportional to 716,114.39, 988,247.64 and 410,190.60 is: 566,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,114.39 : 988,247.64 = 410,190.60 : x
  2. Step 2: Convert to fraction form
    716,114.39/988,247.64 = 410,190.60/x
  3. Step 3: Cross multiply
    716,114.39x = 988,247.64 × 410,190.60
  4. Step 4: Simplify right side
    716,114.39x = 405,369,894,458.43
  5. Step 5: Solve for x
    x = 405,369,894,458.43/716,114.39
  6. Step 6: Final answer
    x = 566,068.64

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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.