Home / 1,557,067.80-2,336,184.90-611,117.40

Finding the Fourth Proportional to 1,557,067.80, 2,336,184.90 and 611,117.40

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Solution

The fourth proportional to 1,557,067.80, 2,336,184.90 and 611,117.40 is: 916,904.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,067.80 : 2,336,184.90 = 611,117.40 : x
  2. Step 2: Convert to fraction form
    1,557,067.80/2,336,184.90 = 611,117.40/x
  3. Step 3: Cross multiply
    1,557,067.80x = 2,336,184.90 × 611,117.40
  4. Step 4: Simplify right side
    1,557,067.80x = 1,427,683,242,007.26
  5. Step 5: Solve for x
    x = 1,427,683,242,007.26/1,557,067.80
  6. Step 6: Final answer
    x = 916,904.99

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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.