Home / 883,620.30-1,326,121.65-410,364.30

Finding the Fourth Proportional to 883,620.30, 1,326,121.65 and 410,364.30

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Solution

The fourth proportional to 883,620.30, 1,326,121.65 and 410,364.30 is: 615,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,620.30 : 1,326,121.65 = 410,364.30 : x
  2. Step 2: Convert to fraction form
    883,620.30/1,326,121.65 = 410,364.30/x
  3. Step 3: Cross multiply
    883,620.30x = 1,326,121.65 × 410,364.30
  4. Step 4: Simplify right side
    883,620.30x = 544,192,982,617.10
  5. Step 5: Solve for x
    x = 544,192,982,617.10/883,620.30
  6. Step 6: Final answer
    x = 615,867.45

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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.