Home / 966,228.70-1,449,343.05-611,643.10

Finding the Fourth Proportional to 966,228.70, 1,449,343.05 and 611,643.10

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Solution

The fourth proportional to 966,228.70, 1,449,343.05 and 611,643.10 is: 917,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,228.70 : 1,449,343.05 = 611,643.10 : x
  2. Step 2: Convert to fraction form
    966,228.70/1,449,343.05 = 611,643.10/x
  3. Step 3: Cross multiply
    966,228.70x = 1,449,343.05 × 611,643.10
  4. Step 4: Simplify right side
    966,228.70x = 886,480,676,065.46
  5. Step 5: Solve for x
    x = 886,480,676,065.46/966,228.70
  6. Step 6: Final answer
    x = 917,464.65

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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.