Home / 446,478.20-615,894.53-282,835.02

Finding the Fourth Proportional to 446,478.20, 615,894.53 and 282,835.02

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Solution

The fourth proportional to 446,478.20, 615,894.53 and 282,835.02 is: 390,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,478.20 : 615,894.53 = 282,835.02 : x
  2. Step 2: Convert to fraction form
    446,478.20/615,894.53 = 282,835.02/x
  3. Step 3: Cross multiply
    446,478.20x = 615,894.53 × 282,835.02
  4. Step 4: Simplify right side
    446,478.20x = 174,196,540,296.27
  5. Step 5: Solve for x
    x = 174,196,540,296.27/446,478.20
  6. Step 6: Final answer
    x = 390,156.88

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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.