Home / 684,470.25-1,026,705.51-185,834.25

Finding the Fourth Proportional to 684,470.25, 1,026,705.51 and 185,834.25

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Solution

The fourth proportional to 684,470.25, 1,026,705.51 and 185,834.25 is: 278,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,470.25 : 1,026,705.51 = 185,834.25 : x
  2. Step 2: Convert to fraction form
    684,470.25/1,026,705.51 = 185,834.25/x
  3. Step 3: Cross multiply
    684,470.25x = 1,026,705.51 × 185,834.25
  4. Step 4: Simplify right side
    684,470.25x = 190,797,048,421.72
  5. Step 5: Solve for x
    x = 190,797,048,421.72/684,470.25
  6. Step 6: Final answer
    x = 278,751.41

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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.