Home / 1,019,869.23-1,407,454.07-561,017.91

Finding the Fourth Proportional to 1,019,869.23, 1,407,454.07 and 561,017.91

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Solution

The fourth proportional to 1,019,869.23, 1,407,454.07 and 561,017.91 is: 774,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,869.23 : 1,407,454.07 = 561,017.91 : x
  2. Step 2: Convert to fraction form
    1,019,869.23/1,407,454.07 = 561,017.91/x
  3. Step 3: Cross multiply
    1,019,869.23x = 1,407,454.07 × 561,017.91
  4. Step 4: Simplify right side
    1,019,869.23x = 789,606,937,967.30
  5. Step 5: Solve for x
    x = 789,606,937,967.30/1,019,869.23
  6. Step 6: Final answer
    x = 774,223.71

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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.