Home / 1,556,436.75-2,147,915.52-877,373.25

Finding the Fourth Proportional to 1,556,436.75, 2,147,915.52 and 877,373.25

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Solution

The fourth proportional to 1,556,436.75, 2,147,915.52 and 877,373.25 is: 1,210,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,436.75 : 2,147,915.52 = 877,373.25 : x
  2. Step 2: Convert to fraction form
    1,556,436.75/2,147,915.52 = 877,373.25/x
  3. Step 3: Cross multiply
    1,556,436.75x = 2,147,915.52 × 877,373.25
  4. Step 4: Simplify right side
    1,556,436.75x = 1,884,523,620,507.84
  5. Step 5: Solve for x
    x = 1,884,523,620,507.84/1,556,436.75
  6. Step 6: Final answer
    x = 1,210,793.58

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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.