Home / 739,496.76-1,020,506.04-399,964.92

Finding the Fourth Proportional to 739,496.76, 1,020,506.04 and 399,964.92

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Solution

The fourth proportional to 739,496.76, 1,020,506.04 and 399,964.92 is: 551,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,496.76 : 1,020,506.04 = 399,964.92 : x
  2. Step 2: Convert to fraction form
    739,496.76/1,020,506.04 = 399,964.92/x
  3. Step 3: Cross multiply
    739,496.76x = 1,020,506.04 × 399,964.92
  4. Step 4: Simplify right side
    739,496.76x = 408,166,616,648.12
  5. Step 5: Solve for x
    x = 408,166,616,648.12/739,496.76
  6. Step 6: Final answer
    x = 551,951.87

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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.