Home / 334,847.20-502,270.80-307,890.40

Finding the Fourth Proportional to 334,847.20, 502,270.80 and 307,890.40

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Solution

The fourth proportional to 334,847.20, 502,270.80 and 307,890.40 is: 461,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,847.20 : 502,270.80 = 307,890.40 : x
  2. Step 2: Convert to fraction form
    334,847.20/502,270.80 = 307,890.40/x
  3. Step 3: Cross multiply
    334,847.20x = 502,270.80 × 307,890.40
  4. Step 4: Simplify right side
    334,847.20x = 154,644,357,520.32
  5. Step 5: Solve for x
    x = 154,644,357,520.32/334,847.20
  6. Step 6: Final answer
    x = 461,835.60

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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.