Home / 1,186,697.77-1,637,650.73-642,833.53

Finding the Fourth Proportional to 1,186,697.77, 1,637,650.73 and 642,833.53

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Solution

The fourth proportional to 1,186,697.77, 1,637,650.73 and 642,833.53 is: 887,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,697.77 : 1,637,650.73 = 642,833.53 : x
  2. Step 2: Convert to fraction form
    1,186,697.77/1,637,650.73 = 642,833.53/x
  3. Step 3: Cross multiply
    1,186,697.77x = 1,637,650.73 × 642,833.53
  4. Step 4: Simplify right side
    1,186,697.77x = 1,052,736,799,672.98
  5. Step 5: Solve for x
    x = 1,052,736,799,672.98/1,186,697.77
  6. Step 6: Final answer
    x = 887,114.50

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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.