Home / 447,088.20-616,735.80-283,445.52

Finding the Fourth Proportional to 447,088.20, 616,735.80 and 283,445.52

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Solution

The fourth proportional to 447,088.20, 616,735.80 and 283,445.52 is: 390,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,088.20 : 616,735.80 = 283,445.52 : x
  2. Step 2: Convert to fraction form
    447,088.20/616,735.80 = 283,445.52/x
  3. Step 3: Cross multiply
    447,088.20x = 616,735.80 × 283,445.52
  4. Step 4: Simplify right side
    447,088.20x = 174,810,999,533.62
  5. Step 5: Solve for x
    x = 174,810,999,533.62/447,088.20
  6. Step 6: Final answer
    x = 390,998.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.