Home / 435,532.08-653,482.98-211,059.60

Finding the Fourth Proportional to 435,532.08, 653,482.98 and 211,059.60

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Solution

The fourth proportional to 435,532.08, 653,482.98 and 211,059.60 is: 316,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,532.08 : 653,482.98 = 211,059.60 : x
  2. Step 2: Convert to fraction form
    435,532.08/653,482.98 = 211,059.60/x
  3. Step 3: Cross multiply
    435,532.08x = 653,482.98 × 211,059.60
  4. Step 4: Simplify right side
    435,532.08x = 137,923,856,365.61
  5. Step 5: Solve for x
    x = 137,923,856,365.61/435,532.08
  6. Step 6: Final answer
    x = 316,678.98

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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.