Home / 927,433.60-1,391,611.20-366,486.40

Finding the Fourth Proportional to 927,433.60, 1,391,611.20 and 366,486.40

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Solution

The fourth proportional to 927,433.60, 1,391,611.20 and 366,486.40 is: 549,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,433.60 : 1,391,611.20 = 366,486.40 : x
  2. Step 2: Convert to fraction form
    927,433.60/1,391,611.20 = 366,486.40/x
  3. Step 3: Cross multiply
    927,433.60x = 1,391,611.20 × 366,486.40
  4. Step 4: Simplify right side
    927,433.60x = 510,006,578,887.68
  5. Step 5: Solve for x
    x = 510,006,578,887.68/927,433.60
  6. Step 6: Final answer
    x = 549,911.69

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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.