Home / 1,158,719.40-1,599,051.98-642,495.06

Finding the Fourth Proportional to 1,158,719.40, 1,599,051.98 and 642,495.06

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Solution

The fourth proportional to 1,158,719.40, 1,599,051.98 and 642,495.06 is: 886,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,719.40 : 1,599,051.98 = 642,495.06 : x
  2. Step 2: Convert to fraction form
    1,158,719.40/1,599,051.98 = 642,495.06/x
  3. Step 3: Cross multiply
    1,158,719.40x = 1,599,051.98 × 642,495.06
  4. Step 4: Simplify right side
    1,158,719.40x = 1,027,382,999,439.46
  5. Step 5: Solve for x
    x = 1,027,382,999,439.46/1,158,719.40
  6. Step 6: Final answer
    x = 886,653.83

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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.