Home / 1,374,471.21-1,896,834.17-858,530.58

Finding the Fourth Proportional to 1,374,471.21, 1,896,834.17 and 858,530.58

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Solution

The fourth proportional to 1,374,471.21, 1,896,834.17 and 858,530.58 is: 1,184,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,471.21 : 1,896,834.17 = 858,530.58 : x
  2. Step 2: Convert to fraction form
    1,374,471.21/1,896,834.17 = 858,530.58/x
  3. Step 3: Cross multiply
    1,374,471.21x = 1,896,834.17 × 858,530.58
  4. Step 4: Simplify right side
    1,374,471.21x = 1,628,490,130,649.75
  5. Step 5: Solve for x
    x = 1,628,490,130,649.75/1,374,471.21
  6. Step 6: Final answer
    x = 1,184,812.11

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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.