Home / 889,546.40-1,226,353.76-562,696.80

Finding the Fourth Proportional to 889,546.40, 1,226,353.76 and 562,696.80

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Solution

The fourth proportional to 889,546.40, 1,226,353.76 and 562,696.80 is: 775,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,546.40 : 1,226,353.76 = 562,696.80 : x
  2. Step 2: Convert to fraction form
    889,546.40/1,226,353.76 = 562,696.80/x
  3. Step 3: Cross multiply
    889,546.40x = 1,226,353.76 × 562,696.80
  4. Step 4: Simplify right side
    889,546.40x = 690,065,336,419.97
  5. Step 5: Solve for x
    x = 690,065,336,419.97/889,546.40
  6. Step 6: Final answer
    x = 775,749.68

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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.