Home / 1,539,560.21-2,308,765.95-528,395.22

Finding the Fourth Proportional to 1,539,560.21, 2,308,765.95 and 528,395.22

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Solution

The fourth proportional to 1,539,560.21, 2,308,765.95 and 528,395.22 is: 792,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,560.21 : 2,308,765.95 = 528,395.22 : x
  2. Step 2: Convert to fraction form
    1,539,560.21/2,308,765.95 = 528,395.22/x
  3. Step 3: Cross multiply
    1,539,560.21x = 2,308,765.95 × 528,395.22
  4. Step 4: Simplify right side
    1,539,560.21x = 1,219,940,892,078.76
  5. Step 5: Solve for x
    x = 1,219,940,892,078.76/1,539,560.21
  6. Step 6: Final answer
    x = 792,395.70

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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.