Home / 1,158,726.06-1,738,166.85-400,641.39

Finding the Fourth Proportional to 1,158,726.06, 1,738,166.85 and 400,641.39

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Solution

The fourth proportional to 1,158,726.06, 1,738,166.85 and 400,641.39 is: 600,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,726.06 : 1,738,166.85 = 400,641.39 : x
  2. Step 2: Convert to fraction form
    1,158,726.06/1,738,166.85 = 400,641.39/x
  3. Step 3: Cross multiply
    1,158,726.06x = 1,738,166.85 × 400,641.39
  4. Step 4: Simplify right side
    1,158,726.06x = 696,381,582,835.92
  5. Step 5: Solve for x
    x = 696,381,582,835.92/1,158,726.06
  6. Step 6: Final answer
    x = 600,988.97

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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.