Home / 2,280,044.53-3,146,501.43-1,247,642.76

Finding the Fourth Proportional to 2,280,044.53, 3,146,501.43 and 1,247,642.76

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Solution

The fourth proportional to 2,280,044.53, 3,146,501.43 and 1,247,642.76 is: 1,721,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,044.53 : 3,146,501.43 = 1,247,642.76 : x
  2. Step 2: Convert to fraction form
    2,280,044.53/3,146,501.43 = 1,247,642.76/x
  3. Step 3: Cross multiply
    2,280,044.53x = 3,146,501.43 × 1,247,642.76
  4. Step 4: Simplify right side
    2,280,044.53x = 3,925,709,738,894.73
  5. Step 5: Solve for x
    x = 3,925,709,738,894.73/2,280,044.53
  6. Step 6: Final answer
    x = 1,721,768.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.