Home / 775,573.38-1,069,941.45-453,138.50

Finding the Fourth Proportional to 775,573.38, 1,069,941.45 and 453,138.50

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Solution

The fourth proportional to 775,573.38, 1,069,941.45 and 453,138.50 is: 625,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,573.38 : 1,069,941.45 = 453,138.50 : x
  2. Step 2: Convert to fraction form
    775,573.38/1,069,941.45 = 453,138.50/x
  3. Step 3: Cross multiply
    775,573.38x = 1,069,941.45 × 453,138.50
  4. Step 4: Simplify right side
    775,573.38x = 484,831,668,114.95
  5. Step 5: Solve for x
    x = 484,831,668,114.95/775,573.38
  6. Step 6: Final answer
    x = 625,126.75

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Double scale
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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.