Home / 1,028,570.54-1,536,600.95-665,786.12

Finding the Fourth Proportional to 1,028,570.54, 1,536,600.95 and 665,786.12

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Solution

The fourth proportional to 1,028,570.54, 1,536,600.95 and 665,786.12 is: 994,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,570.54 : 1,536,600.95 = 665,786.12 : x
  2. Step 2: Convert to fraction form
    1,028,570.54/1,536,600.95 = 665,786.12/x
  3. Step 3: Cross multiply
    1,028,570.54x = 1,536,600.95 × 665,786.12
  4. Step 4: Simplify right side
    1,028,570.54x = 1,023,047,575,973.58
  5. Step 5: Solve for x
    x = 1,023,047,575,973.58/1,028,570.54
  6. Step 6: Final answer
    x = 994,630.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.