Home / 822,182.48-1,134,616.38-459,621.62

Finding the Fourth Proportional to 822,182.48, 1,134,616.38 and 459,621.62

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Solution

The fourth proportional to 822,182.48, 1,134,616.38 and 459,621.62 is: 634,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,182.48 : 1,134,616.38 = 459,621.62 : x
  2. Step 2: Convert to fraction form
    822,182.48/1,134,616.38 = 459,621.62/x
  3. Step 3: Cross multiply
    822,182.48x = 1,134,616.38 × 459,621.62
  4. Step 4: Simplify right side
    822,182.48x = 521,494,221,490.68
  5. Step 5: Solve for x
    x = 521,494,221,490.68/822,182.48
  6. Step 6: Final answer
    x = 634,280.38

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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.