Home / 938,408.36-1,407,395.18-559,435.28

Finding the Fourth Proportional to 938,408.36, 1,407,395.18 and 559,435.28

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Solution

The fourth proportional to 938,408.36, 1,407,395.18 and 559,435.28 is: 839,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,408.36 : 1,407,395.18 = 559,435.28 : x
  2. Step 2: Convert to fraction form
    938,408.36/1,407,395.18 = 559,435.28/x
  3. Step 3: Cross multiply
    938,408.36x = 1,407,395.18 × 559,435.28
  4. Step 4: Simplify right side
    938,408.36x = 787,346,510,955.56
  5. Step 5: Solve for x
    x = 787,346,510,955.56/938,408.36
  6. Step 6: Final answer
    x = 839,023.34

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1.5x scale

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.