Home / 1,158,715.09-1,599,192.28-642,583.77

Finding the Fourth Proportional to 1,158,715.09, 1,599,192.28 and 642,583.77

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Solution

The fourth proportional to 1,158,715.09, 1,599,192.28 and 642,583.77 is: 886,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,715.09 : 1,599,192.28 = 642,583.77 : x
  2. Step 2: Convert to fraction form
    1,158,715.09/1,599,192.28 = 642,583.77/x
  3. Step 3: Cross multiply
    1,158,715.09x = 1,599,192.28 × 642,583.77
  4. Step 4: Simplify right side
    1,158,715.09x = 1,027,614,999,043.55
  5. Step 5: Solve for x
    x = 1,027,614,999,043.55/1,158,715.09
  6. Step 6: Final answer
    x = 886,857.35

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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.