Home / 1,048,002.80-1,570,967.40-515,087.60

Finding the Fourth Proportional to 1,048,002.80, 1,570,967.40 and 515,087.60

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Solution

The fourth proportional to 1,048,002.80, 1,570,967.40 and 515,087.60 is: 772,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,002.80 : 1,570,967.40 = 515,087.60 : x
  2. Step 2: Convert to fraction form
    1,048,002.80/1,570,967.40 = 515,087.60/x
  3. Step 3: Cross multiply
    1,048,002.80x = 1,570,967.40 × 515,087.60
  4. Step 4: Simplify right side
    1,048,002.80x = 809,185,827,744.24
  5. Step 5: Solve for x
    x = 809,185,827,744.24/1,048,002.80
  6. Step 6: Final answer
    x = 772,121.82

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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.