Home / 1,315,561.51-1,973,588.28-416,761.90

Finding the Fourth Proportional to 1,315,561.51, 1,973,588.28 and 416,761.90

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Solution

The fourth proportional to 1,315,561.51, 1,973,588.28 and 416,761.90 is: 625,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,561.51 : 1,973,588.28 = 416,761.90 : x
  2. Step 2: Convert to fraction form
    1,315,561.51/1,973,588.28 = 416,761.90/x
  3. Step 3: Cross multiply
    1,315,561.51x = 1,973,588.28 × 416,761.90
  4. Step 4: Simplify right side
    1,315,561.51x = 822,516,401,390.53
  5. Step 5: Solve for x
    x = 822,516,401,390.53/1,315,561.51
  6. Step 6: Final answer
    x = 625,220.79

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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.