Home / 1,120,561.28-1,546,364.60-611,252.72

Finding the Fourth Proportional to 1,120,561.28, 1,546,364.60 and 611,252.72

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Solution

The fourth proportional to 1,120,561.28, 1,546,364.60 and 611,252.72 is: 843,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,561.28 : 1,546,364.60 = 611,252.72 : x
  2. Step 2: Convert to fraction form
    1,120,561.28/1,546,364.60 = 611,252.72/x
  3. Step 3: Cross multiply
    1,120,561.28x = 1,546,364.60 × 611,252.72
  4. Step 4: Simplify right side
    1,120,561.28x = 945,219,567,861.71
  5. Step 5: Solve for x
    x = 945,219,567,861.71/1,120,561.28
  6. Step 6: Final answer
    x = 843,523.32

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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.