Home / 684,297.60-1,026,446.40-185,661.60

Finding the Fourth Proportional to 684,297.60, 1,026,446.40 and 185,661.60

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Solution

The fourth proportional to 684,297.60, 1,026,446.40 and 185,661.60 is: 278,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,297.60 : 1,026,446.40 = 185,661.60 : x
  2. Step 2: Convert to fraction form
    684,297.60/1,026,446.40 = 185,661.60/x
  3. Step 3: Cross multiply
    684,297.60x = 1,026,446.40 × 185,661.60
  4. Step 4: Simplify right side
    684,297.60x = 190,571,680,938.24
  5. Step 5: Solve for x
    x = 190,571,680,938.24/684,297.60
  6. Step 6: Final answer
    x = 278,492.40

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1.5x scale

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.