Home / 491,166.20-736,749.30-397,854.20

Finding the Fourth Proportional to 491,166.20, 736,749.30 and 397,854.20

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Solution

The fourth proportional to 491,166.20, 736,749.30 and 397,854.20 is: 596,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,166.20 : 736,749.30 = 397,854.20 : x
  2. Step 2: Convert to fraction form
    491,166.20/736,749.30 = 397,854.20/x
  3. Step 3: Cross multiply
    491,166.20x = 736,749.30 × 397,854.20
  4. Step 4: Simplify right side
    491,166.20x = 293,118,803,352.06
  5. Step 5: Solve for x
    x = 293,118,803,352.06/491,166.20
  6. Step 6: Final answer
    x = 596,781.30

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Half scale
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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.