Home / 883,557.30-1,326,320.10-484,976.55

Finding the Fourth Proportional to 883,557.30, 1,326,320.10 and 484,976.55

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Solution

The fourth proportional to 883,557.30, 1,326,320.10 and 484,976.55 is: 728,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,557.30 : 1,326,320.10 = 484,976.55 : x
  2. Step 2: Convert to fraction form
    883,557.30/1,326,320.10 = 484,976.55/x
  3. Step 3: Cross multiply
    883,557.30x = 1,326,320.10 × 484,976.55
  4. Step 4: Simplify right side
    883,557.30x = 643,234,146,293.66
  5. Step 5: Solve for x
    x = 643,234,146,293.66/883,557.30
  6. Step 6: Final answer
    x = 728,005.02

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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.