Home / 772,661.60-1,158,992.40-536,465.60

Finding the Fourth Proportional to 772,661.60, 1,158,992.40 and 536,465.60

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Solution

The fourth proportional to 772,661.60, 1,158,992.40 and 536,465.60 is: 804,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,661.60 : 1,158,992.40 = 536,465.60 : x
  2. Step 2: Convert to fraction form
    772,661.60/1,158,992.40 = 536,465.60/x
  3. Step 3: Cross multiply
    772,661.60x = 1,158,992.40 × 536,465.60
  4. Step 4: Simplify right side
    772,661.60x = 621,759,553,261.44
  5. Step 5: Solve for x
    x = 621,759,553,261.44/772,661.60
  6. Step 6: Final answer
    x = 804,698.40

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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.