Home / 5,277,477.60-7,906,885.20-4,680,280.80

Finding the Fourth Proportional to 5,277,477.60, 7,906,885.20 and 4,680,280.80

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Solution

The fourth proportional to 5,277,477.60, 7,906,885.20 and 4,680,280.80 is: 7,012,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,477.60 : 7,906,885.20 = 4,680,280.80 : x
  2. Step 2: Convert to fraction form
    5,277,477.60/7,906,885.20 = 4,680,280.80/x
  3. Step 3: Cross multiply
    5,277,477.60x = 7,906,885.20 × 4,680,280.80
  4. Step 4: Simplify right side
    5,277,477.60x = 37,006,442,989,364.16
  5. Step 5: Solve for x
    x = 37,006,442,989,364.16/5,277,477.60
  6. Step 6: Final answer
    x = 7,012,145.91

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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.