Home / 623,738.88-931,096.28-548,071.11

Finding the Fourth Proportional to 623,738.88, 931,096.28 and 548,071.11

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Solution

The fourth proportional to 623,738.88, 931,096.28 and 548,071.11 is: 818,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,738.88 : 931,096.28 = 548,071.11 : x
  2. Step 2: Convert to fraction form
    623,738.88/931,096.28 = 548,071.11/x
  3. Step 3: Cross multiply
    623,738.88x = 931,096.28 × 548,071.11
  4. Step 4: Simplify right side
    623,738.88x = 510,306,968,956.12
  5. Step 5: Solve for x
    x = 510,306,968,956.12/623,738.88
  6. Step 6: Final answer
    x = 818,141.99

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