Home / 545,166.20-817,749.30-510,174.20

Finding the Fourth Proportional to 545,166.20, 817,749.30 and 510,174.20

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Solution

The fourth proportional to 545,166.20, 817,749.30 and 510,174.20 is: 765,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,166.20 : 817,749.30 = 510,174.20 : x
  2. Step 2: Convert to fraction form
    545,166.20/817,749.30 = 510,174.20/x
  3. Step 3: Cross multiply
    545,166.20x = 817,749.30 × 510,174.20
  4. Step 4: Simplify right side
    545,166.20x = 417,194,594,928.06
  5. Step 5: Solve for x
    x = 417,194,594,928.06/545,166.20
  6. Step 6: Final answer
    x = 765,261.30

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Double scale
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Similar ratio
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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.