Home / 1,577,657.60-2,366,486.40-779,321.60

Finding the Fourth Proportional to 1,577,657.60, 2,366,486.40 and 779,321.60

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Solution

The fourth proportional to 1,577,657.60, 2,366,486.40 and 779,321.60 is: 1,168,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,657.60 : 2,366,486.40 = 779,321.60 : x
  2. Step 2: Convert to fraction form
    1,577,657.60/2,366,486.40 = 779,321.60/x
  3. Step 3: Cross multiply
    1,577,657.60x = 2,366,486.40 × 779,321.60
  4. Step 4: Simplify right side
    1,577,657.60x = 1,844,253,967,626.24
  5. Step 5: Solve for x
    x = 1,844,253,967,626.24/1,577,657.60
  6. Step 6: Final answer
    x = 1,168,982.40

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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.