Home / 1,100,521.60-1,538,864-1,100,521.60

Finding the Fourth Proportional to 1,100,521.60, 1,538,864 and 1,100,521.60

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Solution

The fourth proportional to 1,100,521.60, 1,538,864 and 1,100,521.60 is: 1,538,864

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,521.60 : 1,538,864 = 1,100,521.60 : x
  2. Step 2: Convert to fraction form
    1,100,521.60/1,538,864 = 1,100,521.60/x
  3. Step 3: Cross multiply
    1,100,521.60x = 1,538,864 × 1,100,521.60
  4. Step 4: Simplify right side
    1,100,521.60x = 1,693,553,071,462.40
  5. Step 5: Solve for x
    x = 1,693,553,071,462.40/1,100,521.60
  6. Step 6: Final answer
    x = 1,538,864

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.