Home / 775,590.24-1,069,955.28-453,313.92

Finding the Fourth Proportional to 775,590.24, 1,069,955.28 and 453,313.92

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Solution

The fourth proportional to 775,590.24, 1,069,955.28 and 453,313.92 is: 625,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,590.24 : 1,069,955.28 = 453,313.92 : x
  2. Step 2: Convert to fraction form
    775,590.24/1,069,955.28 = 453,313.92/x
  3. Step 3: Cross multiply
    775,590.24x = 1,069,955.28 × 453,313.92
  4. Step 4: Simplify right side
    775,590.24x = 485,025,622,201.50
  5. Step 5: Solve for x
    x = 485,025,622,201.50/775,590.24
  6. Step 6: Final answer
    x = 625,363.24

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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.