Home / 772,245.02-1,065,698.46-470,439.02

Finding the Fourth Proportional to 772,245.02, 1,065,698.46 and 470,439.02

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Solution

The fourth proportional to 772,245.02, 1,065,698.46 and 470,439.02 is: 649,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,245.02 : 1,065,698.46 = 470,439.02 : x
  2. Step 2: Convert to fraction form
    772,245.02/1,065,698.46 = 470,439.02/x
  3. Step 3: Cross multiply
    772,245.02x = 1,065,698.46 × 470,439.02
  4. Step 4: Simplify right side
    772,245.02x = 501,346,139,137.91
  5. Step 5: Solve for x
    x = 501,346,139,137.91/772,245.02
  6. Step 6: Final answer
    x = 649,206.05

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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.