Home / 684,030.80-1,026,046.20-185,394.80

Finding the Fourth Proportional to 684,030.80, 1,026,046.20 and 185,394.80

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Solution

The fourth proportional to 684,030.80, 1,026,046.20 and 185,394.80 is: 278,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,030.80 : 1,026,046.20 = 185,394.80 : x
  2. Step 2: Convert to fraction form
    684,030.80/1,026,046.20 = 185,394.80/x
  3. Step 3: Cross multiply
    684,030.80x = 1,026,046.20 × 185,394.80
  4. Step 4: Simplify right side
    684,030.80x = 190,223,630,039.76
  5. Step 5: Solve for x
    x = 190,223,630,039.76/684,030.80
  6. Step 6: Final answer
    x = 278,092.20

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Double scale
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Similar ratio
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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.