Home / 1,140,385.44-1,573,692.96-631,109.28

Finding the Fourth Proportional to 1,140,385.44, 1,573,692.96 and 631,109.28

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Solution

The fourth proportional to 1,140,385.44, 1,573,692.96 and 631,109.28 is: 870,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,385.44 : 1,573,692.96 = 631,109.28 : x
  2. Step 2: Convert to fraction form
    1,140,385.44/1,573,692.96 = 631,109.28/x
  3. Step 3: Cross multiply
    1,140,385.44x = 1,573,692.96 × 631,109.28
  4. Step 4: Simplify right side
    1,140,385.44x = 993,172,230,926.67
  5. Step 5: Solve for x
    x = 993,172,230,926.67/1,140,385.44
  6. Step 6: Final answer
    x = 870,909.25

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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.