Home / 434,010.83-651,436.45-209,528.84

Finding the Fourth Proportional to 434,010.83, 651,436.45 and 209,528.84

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Solution

The fourth proportional to 434,010.83, 651,436.45 and 209,528.84 is: 314,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,010.83 : 651,436.45 = 209,528.84 : x
  2. Step 2: Convert to fraction form
    434,010.83/651,436.45 = 209,528.84/x
  3. Step 3: Cross multiply
    434,010.83x = 651,436.45 × 209,528.84
  4. Step 4: Simplify right side
    434,010.83x = 136,494,722,648.04
  5. Step 5: Solve for x
    x = 136,494,722,648.04/434,010.83
  6. Step 6: Final answer
    x = 314,496.12

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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.