Home / 1,120,817.76-1,546,733.52-611,530.80

Finding the Fourth Proportional to 1,120,817.76, 1,546,733.52 and 611,530.80

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Solution

The fourth proportional to 1,120,817.76, 1,546,733.52 and 611,530.80 is: 843,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,817.76 : 1,546,733.52 = 611,530.80 : x
  2. Step 2: Convert to fraction form
    1,120,817.76/1,546,733.52 = 611,530.80/x
  3. Step 3: Cross multiply
    1,120,817.76x = 1,546,733.52 × 611,530.80
  4. Step 4: Simplify right side
    1,120,817.76x = 945,875,186,872.42
  5. Step 5: Solve for x
    x = 945,875,186,872.42/1,120,817.76
  6. Step 6: Final answer
    x = 843,915.24

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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.