Home / 285,440.01-393,533.80-245,581.93

Finding the Fourth Proportional to 285,440.01, 393,533.80 and 245,581.93

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Solution

The fourth proportional to 285,440.01, 393,533.80 and 245,581.93 is: 338,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440.01 : 393,533.80 = 245,581.93 : x
  2. Step 2: Convert to fraction form
    285,440.01/393,533.80 = 245,581.93/x
  3. Step 3: Cross multiply
    285,440.01x = 393,533.80 × 245,581.93
  4. Step 4: Simplify right side
    285,440.01x = 96,644,790,124.23
  5. Step 5: Solve for x
    x = 96,644,790,124.23/285,440.01
  6. Step 6: Final answer
    x = 338,581.79

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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.