Home / 1,556,960.68-2,148,606.12-877,897.36

Finding the Fourth Proportional to 1,556,960.68, 2,148,606.12 and 877,897.36

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Solution

The fourth proportional to 1,556,960.68, 2,148,606.12 and 877,897.36 is: 1,211,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,960.68 : 2,148,606.12 = 877,897.36 : x
  2. Step 2: Convert to fraction form
    1,556,960.68/2,148,606.12 = 877,897.36/x
  3. Step 3: Cross multiply
    1,556,960.68x = 2,148,606.12 × 877,897.36
  4. Step 4: Simplify right side
    1,556,960.68x = 1,886,255,640,427.84
  5. Step 5: Solve for x
    x = 1,886,255,640,427.84/1,556,960.68
  6. Step 6: Final answer
    x = 1,211,498.57

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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.