Home / 983,103.10-1,475,227.84-414,449.40

Finding the Fourth Proportional to 983,103.10, 1,475,227.84 and 414,449.40

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Solution

The fourth proportional to 983,103.10, 1,475,227.84 and 414,449.40 is: 621,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,103.10 : 1,475,227.84 = 414,449.40 : x
  2. Step 2: Convert to fraction form
    983,103.10/1,475,227.84 = 414,449.40/x
  3. Step 3: Cross multiply
    983,103.10x = 1,475,227.84 × 414,449.40
  4. Step 4: Simplify right side
    983,103.10x = 611,407,293,151.30
  5. Step 5: Solve for x
    x = 611,407,293,151.30/983,103.10
  6. Step 6: Final answer
    x = 621,915.74

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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.