Home / 986,745.95-1,361,709.53-534,036.95

Finding the Fourth Proportional to 986,745.95, 1,361,709.53 and 534,036.95

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Solution

The fourth proportional to 986,745.95, 1,361,709.53 and 534,036.95 is: 736,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,745.95 : 1,361,709.53 = 534,036.95 : x
  2. Step 2: Convert to fraction form
    986,745.95/1,361,709.53 = 534,036.95/x
  3. Step 3: Cross multiply
    986,745.95x = 1,361,709.53 × 534,036.95
  4. Step 4: Simplify right side
    986,745.95x = 727,203,201,817.45
  5. Step 5: Solve for x
    x = 727,203,201,817.45/986,745.95
  6. Step 6: Final answer
    x = 736,971.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.