Home / 1,115,298.42-1,539,121.22-606,000.79

Finding the Fourth Proportional to 1,115,298.42, 1,539,121.22 and 606,000.79

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Solution

The fourth proportional to 1,115,298.42, 1,539,121.22 and 606,000.79 is: 836,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,298.42 : 1,539,121.22 = 606,000.79 : x
  2. Step 2: Convert to fraction form
    1,115,298.42/1,539,121.22 = 606,000.79/x
  3. Step 3: Cross multiply
    1,115,298.42x = 1,539,121.22 × 606,000.79
  4. Step 4: Simplify right side
    1,115,298.42x = 932,708,675,225.76
  5. Step 5: Solve for x
    x = 932,708,675,225.76/1,115,298.42
  6. Step 6: Final answer
    x = 836,286.20

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Double scale
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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.