Home / 623,848.60-935,772.90-308,240.20

Finding the Fourth Proportional to 623,848.60, 935,772.90 and 308,240.20

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Solution

The fourth proportional to 623,848.60, 935,772.90 and 308,240.20 is: 462,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,848.60 : 935,772.90 = 308,240.20 : x
  2. Step 2: Convert to fraction form
    623,848.60/935,772.90 = 308,240.20/x
  3. Step 3: Cross multiply
    623,848.60x = 935,772.90 × 308,240.20
  4. Step 4: Simplify right side
    623,848.60x = 288,442,825,850.58
  5. Step 5: Solve for x
    x = 288,442,825,850.58/623,848.60
  6. Step 6: Final answer
    x = 462,360.30

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Half scale
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Double scale
Find fourth proportional to 623,849.60, 935,774.40 and 308,241.20
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.