Home / 621,609.80-932,544.30-355,152.20

Finding the Fourth Proportional to 621,609.80, 932,544.30 and 355,152.20

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Solution

The fourth proportional to 621,609.80, 932,544.30 and 355,152.20 is: 532,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,609.80 : 932,544.30 = 355,152.20 : x
  2. Step 2: Convert to fraction form
    621,609.80/932,544.30 = 355,152.20/x
  3. Step 3: Cross multiply
    621,609.80x = 932,544.30 × 355,152.20
  4. Step 4: Simplify right side
    621,609.80x = 331,195,159,742.46
  5. Step 5: Solve for x
    x = 331,195,159,742.46/621,609.80
  6. Step 6: Final answer
    x = 532,802.35

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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.