Home / 775,628.70-1,163,443.05-523,686.30

Finding the Fourth Proportional to 775,628.70, 1,163,443.05 and 523,686.30

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Solution

The fourth proportional to 775,628.70, 1,163,443.05 and 523,686.30 is: 785,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,628.70 : 1,163,443.05 = 523,686.30 : x
  2. Step 2: Convert to fraction form
    775,628.70/1,163,443.05 = 523,686.30/x
  3. Step 3: Cross multiply
    775,628.70x = 1,163,443.05 × 523,686.30
  4. Step 4: Simplify right side
    775,628.70x = 609,279,186,115.22
  5. Step 5: Solve for x
    x = 609,279,186,115.22/775,628.70
  6. Step 6: Final answer
    x = 785,529.45

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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.