Home / 892,415.11-1,231,526.04-484,508.86

Finding the Fourth Proportional to 892,415.11, 1,231,526.04 and 484,508.86

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Solution

The fourth proportional to 892,415.11, 1,231,526.04 and 484,508.86 is: 668,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,415.11 : 1,231,526.04 = 484,508.86 : x
  2. Step 2: Convert to fraction form
    892,415.11/1,231,526.04 = 484,508.86/x
  3. Step 3: Cross multiply
    892,415.11x = 1,231,526.04 × 484,508.86
  4. Step 4: Simplify right side
    892,415.11x = 596,685,277,700.71
  5. Step 5: Solve for x
    x = 596,685,277,700.71/892,415.11
  6. Step 6: Final answer
    x = 668,618.53

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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.