Home / 1,556,708.76-2,148,260.94-877,643.64

Finding the Fourth Proportional to 1,556,708.76, 2,148,260.94 and 877,643.64

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Solution

The fourth proportional to 1,556,708.76, 2,148,260.94 and 877,643.64 is: 1,211,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,708.76 : 2,148,260.94 = 877,643.64 : x
  2. Step 2: Convert to fraction form
    1,556,708.76/2,148,260.94 = 877,643.64/x
  3. Step 3: Cross multiply
    1,556,708.76x = 2,148,260.94 × 877,643.64
  4. Step 4: Simplify right side
    1,556,708.76x = 1,885,407,551,051.42
  5. Step 5: Solve for x
    x = 1,885,407,551,051.42/1,556,708.76
  6. Step 6: Final answer
    x = 1,211,149.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.