Home / 684,057.84-1,026,086.76-185,421.84

Finding the Fourth Proportional to 684,057.84, 1,026,086.76 and 185,421.84

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Solution

The fourth proportional to 684,057.84, 1,026,086.76 and 185,421.84 is: 278,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,057.84 : 1,026,086.76 = 185,421.84 : x
  2. Step 2: Convert to fraction form
    684,057.84/1,026,086.76 = 185,421.84/x
  3. Step 3: Cross multiply
    684,057.84x = 1,026,086.76 × 185,421.84
  4. Step 4: Simplify right side
    684,057.84x = 190,258,895,038.84
  5. Step 5: Solve for x
    x = 190,258,895,038.84/684,057.84
  6. Step 6: Final answer
    x = 278,132.76

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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.