Home / 1,293,799.20-1,940,698.80-976,538.40

Finding the Fourth Proportional to 1,293,799.20, 1,940,698.80 and 976,538.40

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Solution

The fourth proportional to 1,293,799.20, 1,940,698.80 and 976,538.40 is: 1,464,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,799.20 : 1,940,698.80 = 976,538.40 : x
  2. Step 2: Convert to fraction form
    1,293,799.20/1,940,698.80 = 976,538.40/x
  3. Step 3: Cross multiply
    1,293,799.20x = 1,940,698.80 × 976,538.40
  4. Step 4: Simplify right side
    1,293,799.20x = 1,895,166,901,033.92
  5. Step 5: Solve for x
    x = 1,895,166,901,033.92/1,293,799.20
  6. Step 6: Final answer
    x = 1,464,807.60

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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.