Home / 1,556,782.56-2,148,356.28-877,714.20

Finding the Fourth Proportional to 1,556,782.56, 2,148,356.28 and 877,714.20

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Solution

The fourth proportional to 1,556,782.56, 2,148,356.28 and 877,714.20 is: 1,211,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,782.56 : 2,148,356.28 = 877,714.20 : x
  2. Step 2: Convert to fraction form
    1,556,782.56/2,148,356.28 = 877,714.20/x
  3. Step 3: Cross multiply
    1,556,782.56x = 2,148,356.28 × 877,714.20
  4. Step 4: Simplify right side
    1,556,782.56x = 1,885,642,813,615.18
  5. Step 5: Solve for x
    x = 1,885,642,813,615.18/1,556,782.56
  6. Step 6: Final answer
    x = 1,211,243.54

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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.