Home / 1,086,555.56-1,628,835.47-376,086.74

Finding the Fourth Proportional to 1,086,555.56, 1,628,835.47 and 376,086.74

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Solution

The fourth proportional to 1,086,555.56, 1,628,835.47 and 376,086.74 is: 563,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,555.56 : 1,628,835.47 = 376,086.74 : x
  2. Step 2: Convert to fraction form
    1,086,555.56/1,628,835.47 = 376,086.74/x
  3. Step 3: Cross multiply
    1,086,555.56x = 1,628,835.47 × 376,086.74
  4. Step 4: Simplify right side
    1,086,555.56x = 612,583,421,908.67
  5. Step 5: Solve for x
    x = 612,583,421,908.67/1,086,555.56
  6. Step 6: Final answer
    x = 563,784.72

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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.