Home / 1,184,611.52-1,776,915.84-385,891.76

Finding the Fourth Proportional to 1,184,611.52, 1,776,915.84 and 385,891.76

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Solution

The fourth proportional to 1,184,611.52, 1,776,915.84 and 385,891.76 is: 578,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,611.52 : 1,776,915.84 = 385,891.76 : x
  2. Step 2: Convert to fraction form
    1,184,611.52/1,776,915.84 = 385,891.76/x
  3. Step 3: Cross multiply
    1,184,611.52x = 1,776,915.84 × 385,891.76
  4. Step 4: Simplify right side
    1,184,611.52x = 685,697,180,869.48
  5. Step 5: Solve for x
    x = 685,697,180,869.48/1,184,611.52
  6. Step 6: Final answer
    x = 578,837.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.