Home / 916,059.36-1,373,879.86-347,503.61

Finding the Fourth Proportional to 916,059.36, 1,373,879.86 and 347,503.61

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Solution

The fourth proportional to 916,059.36, 1,373,879.86 and 347,503.61 is: 521,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,059.36 : 1,373,879.86 = 347,503.61 : x
  2. Step 2: Convert to fraction form
    916,059.36/1,373,879.86 = 347,503.61/x
  3. Step 3: Cross multiply
    916,059.36x = 1,373,879.86 × 347,503.61
  4. Step 4: Simplify right side
    916,059.36x = 477,428,211,056.30
  5. Step 5: Solve for x
    x = 477,428,211,056.30/916,059.36
  6. Step 6: Final answer
    x = 521,176.06

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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.