Home / 1,443,000.76-1,992,518.19-927,010.91

Finding the Fourth Proportional to 1,443,000.76, 1,992,518.19 and 927,010.91

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Solution

The fourth proportional to 1,443,000.76, 1,992,518.19 and 927,010.91 is: 1,280,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,000.76 : 1,992,518.19 = 927,010.91 : x
  2. Step 2: Convert to fraction form
    1,443,000.76/1,992,518.19 = 927,010.91/x
  3. Step 3: Cross multiply
    1,443,000.76x = 1,992,518.19 × 927,010.91
  4. Step 4: Simplify right side
    1,443,000.76x = 1,847,086,105,484.75
  5. Step 5: Solve for x
    x = 1,847,086,105,484.75/1,443,000.76
  6. Step 6: Final answer
    x = 1,280,031.28

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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.