Home / 1,162,692.65-1,604,534.51-639,423.94

Finding the Fourth Proportional to 1,162,692.65, 1,604,534.51 and 639,423.94

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Solution

The fourth proportional to 1,162,692.65, 1,604,534.51 and 639,423.94 is: 882,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,692.65 : 1,604,534.51 = 639,423.94 : x
  2. Step 2: Convert to fraction form
    1,162,692.65/1,604,534.51 = 639,423.94/x
  3. Step 3: Cross multiply
    1,162,692.65x = 1,604,534.51 × 639,423.94
  4. Step 4: Simplify right side
    1,162,692.65x = 1,025,977,778,230.75
  5. Step 5: Solve for x
    x = 1,025,977,778,230.75/1,162,692.65
  6. Step 6: Final answer
    x = 882,415.29

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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.