Home / 1,404,636.93-2,106,906.12-393,750.86

Finding the Fourth Proportional to 1,404,636.93, 2,106,906.12 and 393,750.86

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Solution

The fourth proportional to 1,404,636.93, 2,106,906.12 and 393,750.86 is: 590,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,636.93 : 2,106,906.12 = 393,750.86 : x
  2. Step 2: Convert to fraction form
    1,404,636.93/2,106,906.12 = 393,750.86/x
  3. Step 3: Cross multiply
    1,404,636.93x = 2,106,906.12 × 393,750.86
  4. Step 4: Simplify right side
    1,404,636.93x = 829,596,086,154.73
  5. Step 5: Solve for x
    x = 829,596,086,154.73/1,404,636.93
  6. Step 6: Final answer
    x = 590,612.47

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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.