Home / 867,555.32-1,197,226.14-485,582.12

Finding the Fourth Proportional to 867,555.32, 1,197,226.14 and 485,582.12

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Solution

The fourth proportional to 867,555.32, 1,197,226.14 and 485,582.12 is: 670,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,555.32 : 1,197,226.14 = 485,582.12 : x
  2. Step 2: Convert to fraction form
    867,555.32/1,197,226.14 = 485,582.12/x
  3. Step 3: Cross multiply
    867,555.32x = 1,197,226.14 × 485,582.12
  4. Step 4: Simplify right side
    867,555.32x = 581,351,607,180.62
  5. Step 5: Solve for x
    x = 581,351,607,180.62/867,555.32
  6. Step 6: Final answer
    x = 670,103.21

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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.