Home / 628,419.27-941,890.56-290,746.47

Finding the Fourth Proportional to 628,419.27, 941,890.56 and 290,746.47

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Solution

The fourth proportional to 628,419.27, 941,890.56 and 290,746.47 is: 435,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,419.27 : 941,890.56 = 290,746.47 : x
  2. Step 2: Convert to fraction form
    628,419.27/941,890.56 = 290,746.47/x
  3. Step 3: Cross multiply
    628,419.27x = 941,890.56 × 290,746.47
  4. Step 4: Simplify right side
    628,419.27x = 273,851,355,446.32
  5. Step 5: Solve for x
    x = 273,851,355,446.32/628,419.27
  6. Step 6: Final answer
    x = 435,778.10

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1.5x scale

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.