Home / 1,028,915.20-1,419,904.10-576,206.20

Finding the Fourth Proportional to 1,028,915.20, 1,419,904.10 and 576,206.20

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Solution

The fourth proportional to 1,028,915.20, 1,419,904.10 and 576,206.20 is: 795,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,915.20 : 1,419,904.10 = 576,206.20 : x
  2. Step 2: Convert to fraction form
    1,028,915.20/1,419,904.10 = 576,206.20/x
  3. Step 3: Cross multiply
    1,028,915.20x = 1,419,904.10 × 576,206.20
  4. Step 4: Simplify right side
    1,028,915.20x = 818,157,545,825.42
  5. Step 5: Solve for x
    x = 818,157,545,825.42/1,028,915.20
  6. Step 6: Final answer
    x = 795,165.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.