Home / 1,066,784.12-1,596,239.58-640,579.51

Finding the Fourth Proportional to 1,066,784.12, 1,596,239.58 and 640,579.51

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Solution

The fourth proportional to 1,066,784.12, 1,596,239.58 and 640,579.51 is: 958,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,784.12 : 1,596,239.58 = 640,579.51 : x
  2. Step 2: Convert to fraction form
    1,066,784.12/1,596,239.58 = 640,579.51/x
  3. Step 3: Cross multiply
    1,066,784.12x = 1,596,239.58 × 640,579.51
  4. Step 4: Simplify right side
    1,066,784.12x = 1,022,518,365,197.20
  5. Step 5: Solve for x
    x = 1,022,518,365,197.20/1,066,784.12
  6. Step 6: Final answer
    x = 958,505.42

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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.