Home / 880,366.50-1,214,905.78-477,958.50

Finding the Fourth Proportional to 880,366.50, 1,214,905.78 and 477,958.50

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Solution

The fourth proportional to 880,366.50, 1,214,905.78 and 477,958.50 is: 659,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,366.50 : 1,214,905.78 = 477,958.50 : x
  2. Step 2: Convert to fraction form
    880,366.50/1,214,905.78 = 477,958.50/x
  3. Step 3: Cross multiply
    880,366.50x = 1,214,905.78 × 477,958.50
  4. Step 4: Simplify right side
    880,366.50x = 580,674,544,250.13
  5. Step 5: Solve for x
    x = 580,674,544,250.13/880,366.50
  6. Step 6: Final answer
    x = 659,582.74

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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.