Home / 714,284.40-985,756.80-472,147.05

Finding the Fourth Proportional to 714,284.40, 985,756.80 and 472,147.05

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Solution

The fourth proportional to 714,284.40, 985,756.80 and 472,147.05 is: 651,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,284.40 : 985,756.80 = 472,147.05 : x
  2. Step 2: Convert to fraction form
    714,284.40/985,756.80 = 472,147.05/x
  3. Step 3: Cross multiply
    714,284.40x = 985,756.80 × 472,147.05
  4. Step 4: Simplify right side
    714,284.40x = 465,422,165,137.44
  5. Step 5: Solve for x
    x = 465,422,165,137.44/714,284.40
  6. Step 6: Final answer
    x = 651,592.23

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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.