Home / 700,108.64-1,050,346.58-220,316.48

Finding the Fourth Proportional to 700,108.64, 1,050,346.58 and 220,316.48

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Solution

The fourth proportional to 700,108.64, 1,050,346.58 and 220,316.48 is: 330,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,108.64 : 1,050,346.58 = 220,316.48 : x
  2. Step 2: Convert to fraction form
    700,108.64/1,050,346.58 = 220,316.48/x
  3. Step 3: Cross multiply
    700,108.64x = 1,050,346.58 × 220,316.48
  4. Step 4: Simplify right side
    700,108.64x = 231,408,661,285.64
  5. Step 5: Solve for x
    x = 231,408,661,285.64/700,108.64
  6. Step 6: Final answer
    x = 330,532.50

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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.