Home / 1,276,963.18-1,762,156.08-696,173.74

Finding the Fourth Proportional to 1,276,963.18, 1,762,156.08 and 696,173.74

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Solution

The fourth proportional to 1,276,963.18, 1,762,156.08 and 696,173.74 is: 960,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,963.18 : 1,762,156.08 = 696,173.74 : x
  2. Step 2: Convert to fraction form
    1,276,963.18/1,762,156.08 = 696,173.74/x
  3. Step 3: Cross multiply
    1,276,963.18x = 1,762,156.08 × 696,173.74
  4. Step 4: Simplify right side
    1,276,963.18x = 1,226,766,788,677.34
  5. Step 5: Solve for x
    x = 1,226,766,788,677.34/1,276,963.18
  6. Step 6: Final answer
    x = 960,690.81

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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.