Home / 1,539,592.72-2,124,551.82-851,224.48

Finding the Fourth Proportional to 1,539,592.72, 2,124,551.82 and 851,224.48

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Solution

The fourth proportional to 1,539,592.72, 2,124,551.82 and 851,224.48 is: 1,174,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,592.72 : 2,124,551.82 = 851,224.48 : x
  2. Step 2: Convert to fraction form
    1,539,592.72/2,124,551.82 = 851,224.48/x
  3. Step 3: Cross multiply
    1,539,592.72x = 2,124,551.82 × 851,224.48
  4. Step 4: Simplify right side
    1,539,592.72x = 1,808,470,518,212.55
  5. Step 5: Solve for x
    x = 1,808,470,518,212.55/1,539,592.72
  6. Step 6: Final answer
    x = 1,174,642.16

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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.