Home / 434,537.40-651,806.10-185,705.40

Finding the Fourth Proportional to 434,537.40, 651,806.10 and 185,705.40

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Solution

The fourth proportional to 434,537.40, 651,806.10 and 185,705.40 is: 278,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,537.40 : 651,806.10 = 185,705.40 : x
  2. Step 2: Convert to fraction form
    434,537.40/651,806.10 = 185,705.40/x
  3. Step 3: Cross multiply
    434,537.40x = 651,806.10 × 185,705.40
  4. Step 4: Simplify right side
    434,537.40x = 121,043,912,522.94
  5. Step 5: Solve for x
    x = 121,043,912,522.94/434,537.40
  6. Step 6: Final answer
    x = 278,558.10

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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.