Home / 446,266.15-615,693.37-285,215.47

Finding the Fourth Proportional to 446,266.15, 615,693.37 and 285,215.47

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Solution

The fourth proportional to 446,266.15, 615,693.37 and 285,215.47 is: 393,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,266.15 : 615,693.37 = 285,215.47 : x
  2. Step 2: Convert to fraction form
    446,266.15/615,693.37 = 285,215.47/x
  3. Step 3: Cross multiply
    446,266.15x = 615,693.37 × 285,215.47
  4. Step 4: Simplify right side
    446,266.15x = 175,605,273,900.43
  5. Step 5: Solve for x
    x = 175,605,273,900.43/446,266.15
  6. Step 6: Final answer
    x = 393,498.98

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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.