Home / 1,234,690.60-1,852,035.90-393,327.40

Finding the Fourth Proportional to 1,234,690.60, 1,852,035.90 and 393,327.40

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Solution

The fourth proportional to 1,234,690.60, 1,852,035.90 and 393,327.40 is: 589,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,690.60 : 1,852,035.90 = 393,327.40 : x
  2. Step 2: Convert to fraction form
    1,234,690.60/1,852,035.90 = 393,327.40/x
  3. Step 3: Cross multiply
    1,234,690.60x = 1,852,035.90 × 393,327.40
  4. Step 4: Simplify right side
    1,234,690.60x = 728,456,465,253.66
  5. Step 5: Solve for x
    x = 728,456,465,253.66/1,234,690.60
  6. Step 6: Final answer
    x = 589,991.10

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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.