Home / 572,720.20-859,080.30-403,883.80

Finding the Fourth Proportional to 572,720.20, 859,080.30 and 403,883.80

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Solution

The fourth proportional to 572,720.20, 859,080.30 and 403,883.80 is: 605,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,720.20 : 859,080.30 = 403,883.80 : x
  2. Step 2: Convert to fraction form
    572,720.20/859,080.30 = 403,883.80/x
  3. Step 3: Cross multiply
    572,720.20x = 859,080.30 × 403,883.80
  4. Step 4: Simplify right side
    572,720.20x = 346,968,616,069.14
  5. Step 5: Solve for x
    x = 346,968,616,069.14/572,720.20
  6. Step 6: Final answer
    x = 605,825.70

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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.