Home / 775,577.70-1,163,366.55-401,715.30

Finding the Fourth Proportional to 775,577.70, 1,163,366.55 and 401,715.30

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Solution

The fourth proportional to 775,577.70, 1,163,366.55 and 401,715.30 is: 602,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,577.70 : 1,163,366.55 = 401,715.30 : x
  2. Step 2: Convert to fraction form
    775,577.70/1,163,366.55 = 401,715.30/x
  3. Step 3: Cross multiply
    775,577.70x = 1,163,366.55 × 401,715.30
  4. Step 4: Simplify right side
    775,577.70x = 467,342,142,643.22
  5. Step 5: Solve for x
    x = 467,342,142,643.22/775,577.70
  6. Step 6: Final answer
    x = 602,572.95

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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.