Home / 862,970.56-1,190,940.32-481,000.16

Finding the Fourth Proportional to 862,970.56, 1,190,940.32 and 481,000.16

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Solution

The fourth proportional to 862,970.56, 1,190,940.32 and 481,000.16 is: 663,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,970.56 : 1,190,940.32 = 481,000.16 : x
  2. Step 2: Convert to fraction form
    862,970.56/1,190,940.32 = 481,000.16/x
  3. Step 3: Cross multiply
    862,970.56x = 1,190,940.32 × 481,000.16
  4. Step 4: Simplify right side
    862,970.56x = 572,842,484,470.45
  5. Step 5: Solve for x
    x = 572,842,484,470.45/862,970.56
  6. Step 6: Final answer
    x = 663,803.04

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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.