Home / 1,600,985.76-2,209,377.78-875,817.92

Finding the Fourth Proportional to 1,600,985.76, 2,209,377.78 and 875,817.92

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Solution

The fourth proportional to 1,600,985.76, 2,209,377.78 and 875,817.92 is: 1,208,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,985.76 : 2,209,377.78 = 875,817.92 : x
  2. Step 2: Convert to fraction form
    1,600,985.76/2,209,377.78 = 875,817.92/x
  3. Step 3: Cross multiply
    1,600,985.76x = 2,209,377.78 × 875,817.92
  4. Step 4: Simplify right side
    1,600,985.76x = 1,935,012,651,773.82
  5. Step 5: Solve for x
    x = 1,935,012,651,773.82/1,600,985.76
  6. Step 6: Final answer
    x = 1,208,638.27

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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.