Home / 519,232.20-778,848.30-283,036.20

Finding the Fourth Proportional to 519,232.20, 778,848.30 and 283,036.20

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Solution

The fourth proportional to 519,232.20, 778,848.30 and 283,036.20 is: 424,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,232.20 : 778,848.30 = 283,036.20 : x
  2. Step 2: Convert to fraction form
    519,232.20/778,848.30 = 283,036.20/x
  3. Step 3: Cross multiply
    519,232.20x = 778,848.30 × 283,036.20
  4. Step 4: Simplify right side
    519,232.20x = 220,442,263,208.46
  5. Step 5: Solve for x
    x = 220,442,263,208.46/519,232.20
  6. Step 6: Final answer
    x = 424,554.30

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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.