Home / 809,806.56-1,117,533.03-470,296.68

Finding the Fourth Proportional to 809,806.56, 1,117,533.03 and 470,296.68

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Solution

The fourth proportional to 809,806.56, 1,117,533.03 and 470,296.68 is: 649,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,806.56 : 1,117,533.03 = 470,296.68 : x
  2. Step 2: Convert to fraction form
    809,806.56/1,117,533.03 = 470,296.68/x
  3. Step 3: Cross multiply
    809,806.56x = 1,117,533.03 × 470,296.68
  4. Step 4: Simplify right side
    809,806.56x = 525,572,073,799.34
  5. Step 5: Solve for x
    x = 525,572,073,799.34/809,806.56
  6. Step 6: Final answer
    x = 649,009.41

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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.