Home / 1,556,644.43-2,335,036.58-477,077.89

Finding the Fourth Proportional to 1,556,644.43, 2,335,036.58 and 477,077.89

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Solution

The fourth proportional to 1,556,644.43, 2,335,036.58 and 477,077.89 is: 715,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,644.43 : 2,335,036.58 = 477,077.89 : x
  2. Step 2: Convert to fraction form
    1,556,644.43/2,335,036.58 = 477,077.89/x
  3. Step 3: Cross multiply
    1,556,644.43x = 2,335,036.58 × 477,077.89
  4. Step 4: Simplify right side
    1,556,644.43x = 1,113,994,324,659.22
  5. Step 5: Solve for x
    x = 1,113,994,324,659.22/1,556,644.43
  6. Step 6: Final answer
    x = 715,638.27

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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.