Home / 772,226.02-1,065,672.24-470,420.02

Finding the Fourth Proportional to 772,226.02, 1,065,672.24 and 470,420.02

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Solution

The fourth proportional to 772,226.02, 1,065,672.24 and 470,420.02 is: 649,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,226.02 : 1,065,672.24 = 470,420.02 : x
  2. Step 2: Convert to fraction form
    772,226.02/1,065,672.24 = 470,420.02/x
  3. Step 3: Cross multiply
    772,226.02x = 1,065,672.24 × 470,420.02
  4. Step 4: Simplify right side
    772,226.02x = 501,313,556,454.25
  5. Step 5: Solve for x
    x = 501,313,556,454.25/772,226.02
  6. Step 6: Final answer
    x = 649,179.83

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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.