Home / 926,406.72-1,389,722.16-327,245.27

Finding the Fourth Proportional to 926,406.72, 1,389,722.16 and 327,245.27

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Solution

The fourth proportional to 926,406.72, 1,389,722.16 and 327,245.27 is: 490,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,406.72 : 1,389,722.16 = 327,245.27 : x
  2. Step 2: Convert to fraction form
    926,406.72/1,389,722.16 = 327,245.27/x
  3. Step 3: Cross multiply
    926,406.72x = 1,389,722.16 × 327,245.27
  4. Step 4: Simplify right side
    926,406.72x = 454,779,997,752.74
  5. Step 5: Solve for x
    x = 454,779,997,752.74/926,406.72
  6. Step 6: Final answer
    x = 490,907.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.