Home / 863,007.12-1,190,990.16-481,036.68

Finding the Fourth Proportional to 863,007.12, 1,190,990.16 and 481,036.68

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Solution

The fourth proportional to 863,007.12, 1,190,990.16 and 481,036.68 is: 663,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,007.12 : 1,190,990.16 = 481,036.68 : x
  2. Step 2: Convert to fraction form
    863,007.12/1,190,990.16 = 481,036.68/x
  3. Step 3: Cross multiply
    863,007.12x = 1,190,990.16 × 481,036.68
  4. Step 4: Simplify right side
    863,007.12x = 572,909,952,479.07
  5. Step 5: Solve for x
    x = 572,909,952,479.07/863,007.12
  6. Step 6: Final answer
    x = 663,853.10

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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.