Home / 540,274.06-745,558.14-298,551.61

Finding the Fourth Proportional to 540,274.06, 745,558.14 and 298,551.61

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Solution

The fourth proportional to 540,274.06, 745,558.14 and 298,551.61 is: 411,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,274.06 : 745,558.14 = 298,551.61 : x
  2. Step 2: Convert to fraction form
    540,274.06/745,558.14 = 298,551.61/x
  3. Step 3: Cross multiply
    540,274.06x = 745,558.14 × 298,551.61
  4. Step 4: Simplify right side
    540,274.06x = 222,587,583,045.61
  5. Step 5: Solve for x
    x = 222,587,583,045.61/540,274.06
  6. Step 6: Final answer
    x = 411,990.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.