Home / 825,066.64-1,138,594.62-457,570.15

Finding the Fourth Proportional to 825,066.64, 1,138,594.62 and 457,570.15

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Solution

The fourth proportional to 825,066.64, 1,138,594.62 and 457,570.15 is: 631,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,066.64 : 1,138,594.62 = 457,570.15 : x
  2. Step 2: Convert to fraction form
    825,066.64/1,138,594.62 = 457,570.15/x
  3. Step 3: Cross multiply
    825,066.64x = 1,138,594.62 × 457,570.15
  4. Step 4: Simplify right side
    825,066.64x = 520,986,909,932.00
  5. Step 5: Solve for x
    x = 520,986,909,932.00/825,066.64
  6. Step 6: Final answer
    x = 631,448.28

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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.