Home / 1,557,601.20-2,336,401.80-660,056.40

Finding the Fourth Proportional to 1,557,601.20, 2,336,401.80 and 660,056.40

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Solution

The fourth proportional to 1,557,601.20, 2,336,401.80 and 660,056.40 is: 990,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,601.20 : 2,336,401.80 = 660,056.40 : x
  2. Step 2: Convert to fraction form
    1,557,601.20/2,336,401.80 = 660,056.40/x
  3. Step 3: Cross multiply
    1,557,601.20x = 2,336,401.80 × 660,056.40
  4. Step 4: Simplify right side
    1,557,601.20x = 1,542,156,961,061.52
  5. Step 5: Solve for x
    x = 1,542,156,961,061.52/1,557,601.20
  6. Step 6: Final answer
    x = 990,084.60

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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.