Home / 493,656.30-740,484.45-283,121.10

Finding the Fourth Proportional to 493,656.30, 740,484.45 and 283,121.10

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Solution

The fourth proportional to 493,656.30, 740,484.45 and 283,121.10 is: 424,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,656.30 : 740,484.45 = 283,121.10 : x
  2. Step 2: Convert to fraction form
    493,656.30/740,484.45 = 283,121.10/x
  3. Step 3: Cross multiply
    493,656.30x = 740,484.45 × 283,121.10
  4. Step 4: Simplify right side
    493,656.30x = 209,646,772,016.90
  5. Step 5: Solve for x
    x = 209,646,772,016.90/493,656.30
  6. Step 6: Final answer
    x = 424,681.65

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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.