Home / 867,771.70-1,301,657.55-657,819.70

Finding the Fourth Proportional to 867,771.70, 1,301,657.55 and 657,819.70

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Solution

The fourth proportional to 867,771.70, 1,301,657.55 and 657,819.70 is: 986,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,771.70 : 1,301,657.55 = 657,819.70 : x
  2. Step 2: Convert to fraction form
    867,771.70/1,301,657.55 = 657,819.70/x
  3. Step 3: Cross multiply
    867,771.70x = 1,301,657.55 × 657,819.70
  4. Step 4: Simplify right side
    867,771.70x = 856,255,979,043.74
  5. Step 5: Solve for x
    x = 856,255,979,043.74/867,771.70
  6. Step 6: Final answer
    x = 986,729.55

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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.