Home / 1,167,679.80-1,611,123.28-708,783.08

Finding the Fourth Proportional to 1,167,679.80, 1,611,123.28 and 708,783.08

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Solution

The fourth proportional to 1,167,679.80, 1,611,123.28 and 708,783.08 is: 977,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,679.80 : 1,611,123.28 = 708,783.08 : x
  2. Step 2: Convert to fraction form
    1,167,679.80/1,611,123.28 = 708,783.08/x
  3. Step 3: Cross multiply
    1,167,679.80x = 1,611,123.28 × 708,783.08
  4. Step 4: Simplify right side
    1,167,679.80x = 1,141,936,910,830.53
  5. Step 5: Solve for x
    x = 1,141,936,910,830.53/1,167,679.80
  6. Step 6: Final answer
    x = 977,953.81

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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.