Home / 1,184,408.37-1,634,478.80-640,544.72

Finding the Fourth Proportional to 1,184,408.37, 1,634,478.80 and 640,544.72

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Solution

The fourth proportional to 1,184,408.37, 1,634,478.80 and 640,544.72 is: 883,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,408.37 : 1,634,478.80 = 640,544.72 : x
  2. Step 2: Convert to fraction form
    1,184,408.37/1,634,478.80 = 640,544.72/x
  3. Step 3: Cross multiply
    1,184,408.37x = 1,634,478.80 × 640,544.72
  4. Step 4: Simplify right side
    1,184,408.37x = 1,046,956,753,916.82
  5. Step 5: Solve for x
    x = 1,046,956,753,916.82/1,184,408.37
  6. Step 6: Final answer
    x = 883,949.13

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1.5x scale

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.