Home / 1,419,600.55-2,128,623.23-577,200.55

Finding the Fourth Proportional to 1,419,600.55, 2,128,623.23 and 577,200.55

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Solution

The fourth proportional to 1,419,600.55, 2,128,623.23 and 577,200.55 is: 865,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,600.55 : 2,128,623.23 = 577,200.55 : x
  2. Step 2: Convert to fraction form
    1,419,600.55/2,128,623.23 = 577,200.55/x
  3. Step 3: Cross multiply
    1,419,600.55x = 2,128,623.23 × 577,200.55
  4. Step 4: Simplify right side
    1,419,600.55x = 1,228,642,496,212.77
  5. Step 5: Solve for x
    x = 1,228,642,496,212.77/1,419,600.55
  6. Step 6: Final answer
    x = 865,484.66

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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.