Home / 1,217,860.80-1,827,196.88-408,325.32

Finding the Fourth Proportional to 1,217,860.80, 1,827,196.88 and 408,325.32

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Solution

The fourth proportional to 1,217,860.80, 1,827,196.88 and 408,325.32 is: 612,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,860.80 : 1,827,196.88 = 408,325.32 : x
  2. Step 2: Convert to fraction form
    1,217,860.80/1,827,196.88 = 408,325.32/x
  3. Step 3: Cross multiply
    1,217,860.80x = 1,827,196.88 × 408,325.32
  4. Step 4: Simplify right side
    1,217,860.80x = 746,090,750,729.00
  5. Step 5: Solve for x
    x = 746,090,750,729.00/1,217,860.80
  6. Step 6: Final answer
    x = 612,624.00

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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.