Home / 1,156,072.06-1,595,330.40-639,777.66

Finding the Fourth Proportional to 1,156,072.06, 1,595,330.40 and 639,777.66

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Solution

The fourth proportional to 1,156,072.06, 1,595,330.40 and 639,777.66 is: 882,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,072.06 : 1,595,330.40 = 639,777.66 : x
  2. Step 2: Convert to fraction form
    1,156,072.06/1,595,330.40 = 639,777.66/x
  3. Step 3: Cross multiply
    1,156,072.06x = 1,595,330.40 × 639,777.66
  4. Step 4: Simplify right side
    1,156,072.06x = 1,020,656,750,238.86
  5. Step 5: Solve for x
    x = 1,020,656,750,238.86/1,156,072.06
  6. Step 6: Final answer
    x = 882,866.03

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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.