Home / 838,212.12-1,156,700.58-475,614.34

Finding the Fourth Proportional to 838,212.12, 1,156,700.58 and 475,614.34

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Solution

The fourth proportional to 838,212.12, 1,156,700.58 and 475,614.34 is: 656,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,212.12 : 1,156,700.58 = 475,614.34 : x
  2. Step 2: Convert to fraction form
    838,212.12/1,156,700.58 = 475,614.34/x
  3. Step 3: Cross multiply
    838,212.12x = 1,156,700.58 × 475,614.34
  4. Step 4: Simplify right side
    838,212.12x = 550,143,382,934.32
  5. Step 5: Solve for x
    x = 550,143,382,934.32/838,212.12
  6. Step 6: Final answer
    x = 656,329.55

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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.