Home / 1,577,284.80-2,365,927.20-1,325,342.40

Finding the Fourth Proportional to 1,577,284.80, 2,365,927.20 and 1,325,342.40

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Solution

The fourth proportional to 1,577,284.80, 2,365,927.20 and 1,325,342.40 is: 1,988,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,284.80 : 2,365,927.20 = 1,325,342.40 : x
  2. Step 2: Convert to fraction form
    1,577,284.80/2,365,927.20 = 1,325,342.40/x
  3. Step 3: Cross multiply
    1,577,284.80x = 2,365,927.20 × 1,325,342.40
  4. Step 4: Simplify right side
    1,577,284.80x = 3,135,663,633,473.28
  5. Step 5: Solve for x
    x = 3,135,663,633,473.28/1,577,284.80
  6. Step 6: Final answer
    x = 1,988,013.60

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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.