Home / 964,627.20-1,447,459.20-403,718.40

Finding the Fourth Proportional to 964,627.20, 1,447,459.20 and 403,718.40

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Solution

The fourth proportional to 964,627.20, 1,447,459.20 and 403,718.40 is: 605,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,627.20 : 1,447,459.20 = 403,718.40 : x
  2. Step 2: Convert to fraction form
    964,627.20/1,447,459.20 = 403,718.40/x
  3. Step 3: Cross multiply
    964,627.20x = 1,447,459.20 × 403,718.40
  4. Step 4: Simplify right side
    964,627.20x = 584,365,912,289.28
  5. Step 5: Solve for x
    x = 584,365,912,289.28/964,627.20
  6. Step 6: Final answer
    x = 605,794.56

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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.