Home / 1,111,584.55-1,533,915.43-621,594.42

Finding the Fourth Proportional to 1,111,584.55, 1,533,915.43 and 621,594.42

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Solution

The fourth proportional to 1,111,584.55, 1,533,915.43 and 621,594.42 is: 857,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,584.55 : 1,533,915.43 = 621,594.42 : x
  2. Step 2: Convert to fraction form
    1,111,584.55/1,533,915.43 = 621,594.42/x
  3. Step 3: Cross multiply
    1,111,584.55x = 1,533,915.43 × 621,594.42
  4. Step 4: Simplify right side
    1,111,584.55x = 953,473,272,039.90
  5. Step 5: Solve for x
    x = 953,473,272,039.90/1,111,584.55
  6. Step 6: Final answer
    x = 857,760.46

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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.