Home / 863,328.11-1,191,376.49-476,179.56

Finding the Fourth Proportional to 863,328.11, 1,191,376.49 and 476,179.56

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Solution

The fourth proportional to 863,328.11, 1,191,376.49 and 476,179.56 is: 657,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,328.11 : 1,191,376.49 = 476,179.56 : x
  2. Step 2: Convert to fraction form
    863,328.11/1,191,376.49 = 476,179.56/x
  3. Step 3: Cross multiply
    863,328.11x = 1,191,376.49 × 476,179.56
  4. Step 4: Simplify right side
    863,328.11x = 567,309,130,421.65
  5. Step 5: Solve for x
    x = 567,309,130,421.65/863,328.11
  6. Step 6: Final answer
    x = 657,118.80

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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.