Home / 1,539,467.60-2,308,982.70-528,636.20

Finding the Fourth Proportional to 1,539,467.60, 2,308,982.70 and 528,636.20

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Solution

The fourth proportional to 1,539,467.60, 2,308,982.70 and 528,636.20 is: 792,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,467.60 : 2,308,982.70 = 528,636.20 : x
  2. Step 2: Convert to fraction form
    1,539,467.60/2,308,982.70 = 528,636.20/x
  3. Step 3: Cross multiply
    1,539,467.60x = 2,308,982.70 × 528,636.20
  4. Step 4: Simplify right side
    1,539,467.60x = 1,220,611,840,393.74
  5. Step 5: Solve for x
    x = 1,220,611,840,393.74/1,539,467.60
  6. Step 6: Final answer
    x = 792,879.20

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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.