Home / 1,705,462.83-2,556,844.79-640,386.27

Finding the Fourth Proportional to 1,705,462.83, 2,556,844.79 and 640,386.27

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Solution

The fourth proportional to 1,705,462.83, 2,556,844.79 and 640,386.27 is: 960,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,462.83 : 2,556,844.79 = 640,386.27 : x
  2. Step 2: Convert to fraction form
    1,705,462.83/2,556,844.79 = 640,386.27/x
  3. Step 3: Cross multiply
    1,705,462.83x = 2,556,844.79 × 640,386.27
  4. Step 4: Simplify right side
    1,705,462.83x = 1,637,368,294,835.10
  5. Step 5: Solve for x
    x = 1,637,368,294,835.10/1,705,462.83
  6. Step 6: Final answer
    x = 960,072.69

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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.