Home / 1,557,116.40-2,336,330.70-847,653.60

Finding the Fourth Proportional to 1,557,116.40, 2,336,330.70 and 847,653.60

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Solution

The fourth proportional to 1,557,116.40, 2,336,330.70 and 847,653.60 is: 1,271,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,116.40 : 2,336,330.70 = 847,653.60 : x
  2. Step 2: Convert to fraction form
    1,557,116.40/2,336,330.70 = 847,653.60/x
  3. Step 3: Cross multiply
    1,557,116.40x = 2,336,330.70 × 847,653.60
  4. Step 4: Simplify right side
    1,557,116.40x = 1,980,399,128,645.52
  5. Step 5: Solve for x
    x = 1,980,399,128,645.52/1,557,116.40
  6. Step 6: Final answer
    x = 1,271,837.56

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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.