Home / 883,612.80-1,326,110.40-410,356.80

Finding the Fourth Proportional to 883,612.80, 1,326,110.40 and 410,356.80

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Solution

The fourth proportional to 883,612.80, 1,326,110.40 and 410,356.80 is: 615,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,612.80 : 1,326,110.40 = 410,356.80 : x
  2. Step 2: Convert to fraction form
    883,612.80/1,326,110.40 = 410,356.80/x
  3. Step 3: Cross multiply
    883,612.80x = 1,326,110.40 × 410,356.80
  4. Step 4: Simplify right side
    883,612.80x = 544,178,420,190.72
  5. Step 5: Solve for x
    x = 544,178,420,190.72/883,612.80
  6. Step 6: Final answer
    x = 615,856.20

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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.