Home / 1,292,183.95-1,938,275.79-345,530.06

Finding the Fourth Proportional to 1,292,183.95, 1,938,275.79 and 345,530.06

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Solution

The fourth proportional to 1,292,183.95, 1,938,275.79 and 345,530.06 is: 518,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,183.95 : 1,938,275.79 = 345,530.06 : x
  2. Step 2: Convert to fraction form
    1,292,183.95/1,938,275.79 = 345,530.06/x
  3. Step 3: Cross multiply
    1,292,183.95x = 1,938,275.79 × 345,530.06
  4. Step 4: Simplify right side
    1,292,183.95x = 669,732,550,015.25
  5. Step 5: Solve for x
    x = 669,732,550,015.25/1,292,183.95
  6. Step 6: Final answer
    x = 518,295.06

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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.