Home / 1,241,151.71-1,861,690.51-342,648.28

Finding the Fourth Proportional to 1,241,151.71, 1,861,690.51 and 342,648.28

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Solution

The fourth proportional to 1,241,151.71, 1,861,690.51 and 342,648.28 is: 513,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,151.71 : 1,861,690.51 = 342,648.28 : x
  2. Step 2: Convert to fraction form
    1,241,151.71/1,861,690.51 = 342,648.28/x
  3. Step 3: Cross multiply
    1,241,151.71x = 1,861,690.51 × 342,648.28
  4. Step 4: Simplify right side
    1,241,151.71x = 637,905,045,632.98
  5. Step 5: Solve for x
    x = 637,905,045,632.98/1,241,151.71
  6. Step 6: Final answer
    x = 513,962.18

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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.