Home / 3,018,005.10-4,527,007.65-774,143.10

Finding the Fourth Proportional to 3,018,005.10, 4,527,007.65 and 774,143.10

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Solution

The fourth proportional to 3,018,005.10, 4,527,007.65 and 774,143.10 is: 1,161,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,005.10 : 4,527,007.65 = 774,143.10 : x
  2. Step 2: Convert to fraction form
    3,018,005.10/4,527,007.65 = 774,143.10/x
  3. Step 3: Cross multiply
    3,018,005.10x = 4,527,007.65 × 774,143.10
  4. Step 4: Simplify right side
    3,018,005.10x = 3,504,551,735,894.72
  5. Step 5: Solve for x
    x = 3,504,551,735,894.72/3,018,005.10
  6. Step 6: Final answer
    x = 1,161,214.65

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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.