Home / 839,915.70-1,259,873.55-462,002.10

Finding the Fourth Proportional to 839,915.70, 1,259,873.55 and 462,002.10

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Solution

The fourth proportional to 839,915.70, 1,259,873.55 and 462,002.10 is: 693,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,915.70 : 1,259,873.55 = 462,002.10 : x
  2. Step 2: Convert to fraction form
    839,915.70/1,259,873.55 = 462,002.10/x
  3. Step 3: Cross multiply
    839,915.70x = 1,259,873.55 × 462,002.10
  4. Step 4: Simplify right side
    839,915.70x = 582,064,225,834.46
  5. Step 5: Solve for x
    x = 582,064,225,834.46/839,915.70
  6. Step 6: Final answer
    x = 693,003.15

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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.