Home / 1,225,647.64-1,838,766.70-384,199.39

Finding the Fourth Proportional to 1,225,647.64, 1,838,766.70 and 384,199.39

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Solution

The fourth proportional to 1,225,647.64, 1,838,766.70 and 384,199.39 is: 576,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,647.64 : 1,838,766.70 = 384,199.39 : x
  2. Step 2: Convert to fraction form
    1,225,647.64/1,838,766.70 = 384,199.39/x
  3. Step 3: Cross multiply
    1,225,647.64x = 1,838,766.70 × 384,199.39
  4. Step 4: Simplify right side
    1,225,647.64x = 706,453,035,298.48
  5. Step 5: Solve for x
    x = 706,453,035,298.48/1,225,647.64
  6. Step 6: Final answer
    x = 576,391.63

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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.