Home / 1,556,446.50-2,147,928.98-877,383

Finding the Fourth Proportional to 1,556,446.50, 2,147,928.98 and 877,383

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Solution

The fourth proportional to 1,556,446.50, 2,147,928.98 and 877,383 is: 1,210,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,446.50 : 2,147,928.98 = 877,383 : x
  2. Step 2: Convert to fraction form
    1,556,446.50/2,147,928.98 = 877,383/x
  3. Step 3: Cross multiply
    1,556,446.50x = 2,147,928.98 × 877,383
  4. Step 4: Simplify right side
    1,556,446.50x = 1,884,556,367,872.43
  5. Step 5: Solve for x
    x = 1,884,556,367,872.43/1,556,446.50
  6. Step 6: Final answer
    x = 1,210,807.03

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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.