Home / 519,496.20-779,244.30-283,300.20

Finding the Fourth Proportional to 519,496.20, 779,244.30 and 283,300.20

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Solution

The fourth proportional to 519,496.20, 779,244.30 and 283,300.20 is: 424,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,496.20 : 779,244.30 = 283,300.20 : x
  2. Step 2: Convert to fraction form
    519,496.20/779,244.30 = 283,300.20/x
  3. Step 3: Cross multiply
    519,496.20x = 779,244.30 × 283,300.20
  4. Step 4: Simplify right side
    519,496.20x = 220,760,066,038.86
  5. Step 5: Solve for x
    x = 220,760,066,038.86/519,496.20
  6. Step 6: Final answer
    x = 424,950.30

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Half scale
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Double scale
Find fourth proportional to 519,497.20, 779,245.80 and 283,301.20
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.