Home / 1,190,560-1,784,321.28-558,080.32

Finding the Fourth Proportional to 1,190,560, 1,784,321.28 and 558,080.32

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Solution

The fourth proportional to 1,190,560, 1,784,321.28 and 558,080.32 is: 836,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,560 : 1,784,321.28 = 558,080.32 : x
  2. Step 2: Convert to fraction form
    1,190,560/1,784,321.28 = 558,080.32/x
  3. Step 3: Cross multiply
    1,190,560x = 1,784,321.28 × 558,080.32
  4. Step 4: Simplify right side
    1,190,560x = 995,794,590,925.21
  5. Step 5: Solve for x
    x = 995,794,590,925.21/1,190,560
  6. Step 6: Final answer
    x = 836,408.57

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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.