Home / 1,103,670.66-1,523,200.77-620,256.18

Finding the Fourth Proportional to 1,103,670.66, 1,523,200.77 and 620,256.18

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Solution

The fourth proportional to 1,103,670.66, 1,523,200.77 and 620,256.18 is: 856,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,670.66 : 1,523,200.77 = 620,256.18 : x
  2. Step 2: Convert to fraction form
    1,103,670.66/1,523,200.77 = 620,256.18/x
  3. Step 3: Cross multiply
    1,103,670.66x = 1,523,200.77 × 620,256.18
  4. Step 4: Simplify right side
    1,103,670.66x = 944,774,690,973.26
  5. Step 5: Solve for x
    x = 944,774,690,973.26/1,103,670.66
  6. Step 6: Final answer
    x = 856,029.54

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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.