Home / 1,229,378-1,844,792.76-519,360.08

Finding the Fourth Proportional to 1,229,378, 1,844,792.76 and 519,360.08

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Solution

The fourth proportional to 1,229,378, 1,844,792.76 and 519,360.08 is: 779,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,378 : 1,844,792.76 = 519,360.08 : x
  2. Step 2: Convert to fraction form
    1,229,378/1,844,792.76 = 519,360.08/x
  3. Step 3: Cross multiply
    1,229,378x = 1,844,792.76 × 519,360.08
  4. Step 4: Simplify right side
    1,229,378x = 958,111,715,417.02
  5. Step 5: Solve for x
    x = 958,111,715,417.02/1,229,378
  6. Step 6: Final answer
    x = 779,346.72

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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.