Home / 863,320.64-1,191,397.29-476,180.51

Finding the Fourth Proportional to 863,320.64, 1,191,397.29 and 476,180.51

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Solution

The fourth proportional to 863,320.64, 1,191,397.29 and 476,180.51 is: 657,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,320.64 : 1,191,397.29 = 476,180.51 : x
  2. Step 2: Convert to fraction form
    863,320.64/1,191,397.29 = 476,180.51/x
  3. Step 3: Cross multiply
    863,320.64x = 1,191,397.29 × 476,180.51
  4. Step 4: Simplify right side
    863,320.64x = 567,320,169,164.82
  5. Step 5: Solve for x
    x = 567,320,169,164.82/863,320.64
  6. Step 6: Final answer
    x = 657,137.27

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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.