Home / 833,785.92-1,150,358.88-511,341.12

Finding the Fourth Proportional to 833,785.92, 1,150,358.88 and 511,341.12

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Solution

The fourth proportional to 833,785.92, 1,150,358.88 and 511,341.12 is: 705,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,785.92 : 1,150,358.88 = 511,341.12 : x
  2. Step 2: Convert to fraction form
    833,785.92/1,150,358.88 = 511,341.12/x
  3. Step 3: Cross multiply
    833,785.92x = 1,150,358.88 × 511,341.12
  4. Step 4: Simplify right side
    833,785.92x = 588,225,798,101.15
  5. Step 5: Solve for x
    x = 588,225,798,101.15/833,785.92
  6. Step 6: Final answer
    x = 705,487.80

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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.