Home / 932,860.90-1,399,299.19-258,994.76

Finding the Fourth Proportional to 932,860.90, 1,399,299.19 and 258,994.76

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Solution

The fourth proportional to 932,860.90, 1,399,299.19 and 258,994.76 is: 388,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,860.90 : 1,399,299.19 = 258,994.76 : x
  2. Step 2: Convert to fraction form
    932,860.90/1,399,299.19 = 258,994.76/x
  3. Step 3: Cross multiply
    932,860.90x = 1,399,299.19 × 258,994.76
  4. Step 4: Simplify right side
    932,860.90x = 362,411,150,885.75
  5. Step 5: Solve for x
    x = 362,411,150,885.75/932,860.90
  6. Step 6: Final answer
    x = 388,494.31

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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.