Home / 447,772.08-671,113.80-210,837.36

Finding the Fourth Proportional to 447,772.08, 671,113.80 and 210,837.36

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Solution

The fourth proportional to 447,772.08, 671,113.80 and 210,837.36 is: 315,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,772.08 : 671,113.80 = 210,837.36 : x
  2. Step 2: Convert to fraction form
    447,772.08/671,113.80 = 210,837.36/x
  3. Step 3: Cross multiply
    447,772.08x = 671,113.80 × 210,837.36
  4. Step 4: Simplify right side
    447,772.08x = 141,495,861,851.57
  5. Step 5: Solve for x
    x = 141,495,861,851.57/447,772.08
  6. Step 6: Final answer
    x = 315,999.74

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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.