Home / 1,184,611.40-1,776,915.65-385,891.64

Finding the Fourth Proportional to 1,184,611.40, 1,776,915.65 and 385,891.64

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Solution

The fourth proportional to 1,184,611.40, 1,776,915.65 and 385,891.64 is: 578,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,611.40 : 1,776,915.65 = 385,891.64 : x
  2. Step 2: Convert to fraction form
    1,184,611.40/1,776,915.65 = 385,891.64/x
  3. Step 3: Cross multiply
    1,184,611.40x = 1,776,915.65 × 385,891.64
  4. Step 4: Simplify right side
    1,184,611.40x = 685,696,883,506.13
  5. Step 5: Solve for x
    x = 685,696,883,506.13/1,184,611.40
  6. Step 6: Final answer
    x = 578,836.98

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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.