Home / 878,241.66-1,211,962.95-533,963.58

Finding the Fourth Proportional to 878,241.66, 1,211,962.95 and 533,963.58

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Solution

The fourth proportional to 878,241.66, 1,211,962.95 and 533,963.58 is: 736,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,241.66 : 1,211,962.95 = 533,963.58 : x
  2. Step 2: Convert to fraction form
    878,241.66/1,211,962.95 = 533,963.58/x
  3. Step 3: Cross multiply
    878,241.66x = 1,211,962.95 × 533,963.58
  4. Step 4: Simplify right side
    878,241.66x = 647,144,075,609.36
  5. Step 5: Solve for x
    x = 647,144,075,609.36/878,241.66
  6. Step 6: Final answer
    x = 736,863.33

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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.