Home / 622,531.05-857,283.90-540,822.00

Finding the Fourth Proportional to 622,531.05, 857,283.90 and 540,822.00

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Solution

The fourth proportional to 622,531.05, 857,283.90 and 540,822.00 is: 744,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,531.05 : 857,283.90 = 540,822.00 : x
  2. Step 2: Convert to fraction form
    622,531.05/857,283.90 = 540,822.00/x
  3. Step 3: Cross multiply
    622,531.05x = 857,283.90 × 540,822.00
  4. Step 4: Simplify right side
    622,531.05x = 463,637,992,772.43
  5. Step 5: Solve for x
    x = 463,637,992,772.43/622,531.05
  6. Step 6: Final answer
    x = 744,762.84

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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.