Home / 611,724.40-917,586.60-168,492.40

Finding the Fourth Proportional to 611,724.40, 917,586.60 and 168,492.40

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Solution

The fourth proportional to 611,724.40, 917,586.60 and 168,492.40 is: 252,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,724.40 : 917,586.60 = 168,492.40 : x
  2. Step 2: Convert to fraction form
    611,724.40/917,586.60 = 168,492.40/x
  3. Step 3: Cross multiply
    611,724.40x = 917,586.60 × 168,492.40
  4. Step 4: Simplify right side
    611,724.40x = 154,606,368,441.84
  5. Step 5: Solve for x
    x = 154,606,368,441.84/611,724.40
  6. Step 6: Final answer
    x = 252,738.60

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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.