Home / 1,118,838.90-1,677,523.09-542,309.59

Finding the Fourth Proportional to 1,118,838.90, 1,677,523.09 and 542,309.59

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Solution

The fourth proportional to 1,118,838.90, 1,677,523.09 and 542,309.59 is: 813,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,838.90 : 1,677,523.09 = 542,309.59 : x
  2. Step 2: Convert to fraction form
    1,118,838.90/1,677,523.09 = 542,309.59/x
  3. Step 3: Cross multiply
    1,118,838.90x = 1,677,523.09 × 542,309.59
  4. Step 4: Simplify right side
    1,118,838.90x = 909,736,861,745.17
  5. Step 5: Solve for x
    x = 909,736,861,745.17/1,118,838.90
  6. Step 6: Final answer
    x = 813,108.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.