Home / 614,926.40-922,389.60-490,510.40

Finding the Fourth Proportional to 614,926.40, 922,389.60 and 490,510.40

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Solution

The fourth proportional to 614,926.40, 922,389.60 and 490,510.40 is: 735,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,926.40 : 922,389.60 = 490,510.40 : x
  2. Step 2: Convert to fraction form
    614,926.40/922,389.60 = 490,510.40/x
  3. Step 3: Cross multiply
    614,926.40x = 922,389.60 × 490,510.40
  4. Step 4: Simplify right side
    614,926.40x = 452,441,691,651.84
  5. Step 5: Solve for x
    x = 452,441,691,651.84/614,926.40
  6. Step 6: Final answer
    x = 735,765.60

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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.