Home / 612,429.11-918,584.27-185,968.63

Finding the Fourth Proportional to 612,429.11, 918,584.27 and 185,968.63

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Solution

The fourth proportional to 612,429.11, 918,584.27 and 185,968.63 is: 278,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,429.11 : 918,584.27 = 185,968.63 : x
  2. Step 2: Convert to fraction form
    612,429.11/918,584.27 = 185,968.63/x
  3. Step 3: Cross multiply
    612,429.11x = 918,584.27 × 185,968.63
  4. Step 4: Simplify right side
    612,429.11x = 170,827,859,598.07
  5. Step 5: Solve for x
    x = 170,827,859,598.07/612,429.11
  6. Step 6: Final answer
    x = 278,934.91

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1.5x scale

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.