Home / 1,311,686.60-1,967,530.26-1,012,603.76

Finding the Fourth Proportional to 1,311,686.60, 1,967,530.26 and 1,012,603.76

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Solution

The fourth proportional to 1,311,686.60, 1,967,530.26 and 1,012,603.76 is: 1,518,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,686.60 : 1,967,530.26 = 1,012,603.76 : x
  2. Step 2: Convert to fraction form
    1,311,686.60/1,967,530.26 = 1,012,603.76/x
  3. Step 3: Cross multiply
    1,311,686.60x = 1,967,530.26 × 1,012,603.76
  4. Step 4: Simplify right side
    1,311,686.60x = 1,992,328,539,189.78
  5. Step 5: Solve for x
    x = 1,992,328,539,189.78/1,311,686.60
  6. Step 6: Final answer
    x = 1,518,905.92

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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.