Home / 878,166.64-1,211,893.60-496,184.64

Finding the Fourth Proportional to 878,166.64, 1,211,893.60 and 496,184.64

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Solution

The fourth proportional to 878,166.64, 1,211,893.60 and 496,184.64 is: 684,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,166.64 : 1,211,893.60 = 496,184.64 : x
  2. Step 2: Convert to fraction form
    878,166.64/1,211,893.60 = 496,184.64/x
  3. Step 3: Cross multiply
    878,166.64x = 1,211,893.60 × 496,184.64
  4. Step 4: Simplify right side
    878,166.64x = 601,322,989,634.30
  5. Step 5: Solve for x
    x = 601,322,989,634.30/878,166.64
  6. Step 6: Final answer
    x = 684,748.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.