Home / 1,556,734.02-2,148,209.55-877,626.78

Finding the Fourth Proportional to 1,556,734.02, 2,148,209.55 and 877,626.78

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Solution

The fourth proportional to 1,556,734.02, 2,148,209.55 and 877,626.78 is: 1,211,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,734.02 : 2,148,209.55 = 877,626.78 : x
  2. Step 2: Convert to fraction form
    1,556,734.02/2,148,209.55 = 877,626.78/x
  3. Step 3: Cross multiply
    1,556,734.02x = 2,148,209.55 × 877,626.78
  4. Step 4: Simplify right side
    1,556,734.02x = 1,885,326,230,131.75
  5. Step 5: Solve for x
    x = 1,885,326,230,131.75/1,556,734.02
  6. Step 6: Final answer
    x = 1,211,077.94

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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.