Home / 587,943.52-811,338.52-346,236.28

Finding the Fourth Proportional to 587,943.52, 811,338.52 and 346,236.28

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Solution

The fourth proportional to 587,943.52, 811,338.52 and 346,236.28 is: 477,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,943.52 : 811,338.52 = 346,236.28 : x
  2. Step 2: Convert to fraction form
    587,943.52/811,338.52 = 346,236.28/x
  3. Step 3: Cross multiply
    587,943.52x = 811,338.52 × 346,236.28
  4. Step 4: Simplify right side
    587,943.52x = 280,914,830,985.51
  5. Step 5: Solve for x
    x = 280,914,830,985.51/587,943.52
  6. Step 6: Final answer
    x = 477,792.21

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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.