Home / 886,505.28-1,223,465.84-528,809.28

Finding the Fourth Proportional to 886,505.28, 1,223,465.84 and 528,809.28

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Solution

The fourth proportional to 886,505.28, 1,223,465.84 and 528,809.28 is: 729,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,505.28 : 1,223,465.84 = 528,809.28 : x
  2. Step 2: Convert to fraction form
    886,505.28/1,223,465.84 = 528,809.28/x
  3. Step 3: Cross multiply
    886,505.28x = 1,223,465.84 × 528,809.28
  4. Step 4: Simplify right side
    886,505.28x = 646,980,089,955.00
  5. Step 5: Solve for x
    x = 646,980,089,955.00/886,505.28
  6. Step 6: Final answer
    x = 729,809.63

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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.