Home / 750,880.26-1,035,928.78-555,116.76

Finding the Fourth Proportional to 750,880.26, 1,035,928.78 and 555,116.76

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Solution

The fourth proportional to 750,880.26, 1,035,928.78 and 555,116.76 is: 765,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,880.26 : 1,035,928.78 = 555,116.76 : x
  2. Step 2: Convert to fraction form
    750,880.26/1,035,928.78 = 555,116.76/x
  3. Step 3: Cross multiply
    750,880.26x = 1,035,928.78 × 555,116.76
  4. Step 4: Simplify right side
    750,880.26x = 575,061,426,556.56
  5. Step 5: Solve for x
    x = 575,061,426,556.56/750,880.26
  6. Step 6: Final answer
    x = 765,849.71

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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.