Home / 1,411,828.91-1,948,121.05-830,706.56

Finding the Fourth Proportional to 1,411,828.91, 1,948,121.05 and 830,706.56

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Solution

The fourth proportional to 1,411,828.91, 1,948,121.05 and 830,706.56 is: 1,146,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,828.91 : 1,948,121.05 = 830,706.56 : x
  2. Step 2: Convert to fraction form
    1,411,828.91/1,948,121.05 = 830,706.56/x
  3. Step 3: Cross multiply
    1,411,828.91x = 1,948,121.05 × 830,706.56
  4. Step 4: Simplify right side
    1,411,828.91x = 1,618,316,940,770.20
  5. Step 5: Solve for x
    x = 1,618,316,940,770.20/1,411,828.91
  6. Step 6: Final answer
    x = 1,146,255.70

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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.