Home / 910,989.63-1,367,313.48-484,883.07

Finding the Fourth Proportional to 910,989.63, 1,367,313.48 and 484,883.07

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Solution

The fourth proportional to 910,989.63, 1,367,313.48 and 484,883.07 is: 727,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,989.63 : 1,367,313.48 = 484,883.07 : x
  2. Step 2: Convert to fraction form
    910,989.63/1,367,313.48 = 484,883.07/x
  3. Step 3: Cross multiply
    910,989.63x = 1,367,313.48 × 484,883.07
  4. Step 4: Simplify right side
    910,989.63x = 662,987,157,834.78
  5. Step 5: Solve for x
    x = 662,987,157,834.78/910,989.63
  6. Step 6: Final answer
    x = 727,765.87

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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.