Home / 819,226.32-1,130,570.64-456,652.77

Finding the Fourth Proportional to 819,226.32, 1,130,570.64 and 456,652.77

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Solution

The fourth proportional to 819,226.32, 1,130,570.64 and 456,652.77 is: 630,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,226.32 : 1,130,570.64 = 456,652.77 : x
  2. Step 2: Convert to fraction form
    819,226.32/1,130,570.64 = 456,652.77/x
  3. Step 3: Cross multiply
    819,226.32x = 1,130,570.64 × 456,652.77
  4. Step 4: Simplify right side
    819,226.32x = 516,278,214,436.67
  5. Step 5: Solve for x
    x = 516,278,214,436.67/819,226.32
  6. Step 6: Final answer
    x = 630,202.18

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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.