Home / 814,652.16-1,221,583.68-477,803.12

Finding the Fourth Proportional to 814,652.16, 1,221,583.68 and 477,803.12

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Solution

The fourth proportional to 814,652.16, 1,221,583.68 and 477,803.12 is: 716,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,652.16 : 1,221,583.68 = 477,803.12 : x
  2. Step 2: Convert to fraction form
    814,652.16/1,221,583.68 = 477,803.12/x
  3. Step 3: Cross multiply
    814,652.16x = 1,221,583.68 × 477,803.12
  4. Step 4: Simplify right side
    814,652.16x = 583,676,493,645.08
  5. Step 5: Solve for x
    x = 583,676,493,645.08/814,652.16
  6. Step 6: Final answer
    x = 716,473.27

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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.