Home / 435,673.05-653,042.36-210,724.04

Finding the Fourth Proportional to 435,673.05, 653,042.36 and 210,724.04

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Solution

The fourth proportional to 435,673.05, 653,042.36 and 210,724.04 is: 315,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,673.05 : 653,042.36 = 210,724.04 : x
  2. Step 2: Convert to fraction form
    435,673.05/653,042.36 = 210,724.04/x
  3. Step 3: Cross multiply
    435,673.05x = 653,042.36 × 210,724.04
  4. Step 4: Simplify right side
    435,673.05x = 137,611,720,071.50
  5. Step 5: Solve for x
    x = 137,611,720,071.50/435,673.05
  6. Step 6: Final answer
    x = 315,860.07

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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.