Home / 1,115,990.02-1,540,000.83-606,687.94

Finding the Fourth Proportional to 1,115,990.02, 1,540,000.83 and 606,687.94

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Solution

The fourth proportional to 1,115,990.02, 1,540,000.83 and 606,687.94 is: 837,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,990.02 : 1,540,000.83 = 606,687.94 : x
  2. Step 2: Convert to fraction form
    1,115,990.02/1,540,000.83 = 606,687.94/x
  3. Step 3: Cross multiply
    1,115,990.02x = 1,540,000.83 × 606,687.94
  4. Step 4: Simplify right side
    1,115,990.02x = 934,299,931,150.99
  5. Step 5: Solve for x
    x = 934,299,931,150.99/1,115,990.02
  6. Step 6: Final answer
    x = 837,193.80

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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.