Home / 434,904.60-652,356.90-186,072.60

Finding the Fourth Proportional to 434,904.60, 652,356.90 and 186,072.60

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Solution

The fourth proportional to 434,904.60, 652,356.90 and 186,072.60 is: 279,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,904.60 : 652,356.90 = 186,072.60 : x
  2. Step 2: Convert to fraction form
    434,904.60/652,356.90 = 186,072.60/x
  3. Step 3: Cross multiply
    434,904.60x = 652,356.90 × 186,072.60
  4. Step 4: Simplify right side
    434,904.60x = 121,385,744,510.94
  5. Step 5: Solve for x
    x = 121,385,744,510.94/434,904.60
  6. Step 6: Final answer
    x = 279,108.90

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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.