Home / 1,400,613.84-1,932,820.85-856,709.67

Finding the Fourth Proportional to 1,400,613.84, 1,932,820.85 and 856,709.67

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Solution

The fourth proportional to 1,400,613.84, 1,932,820.85 and 856,709.67 is: 1,182,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,613.84 : 1,932,820.85 = 856,709.67 : x
  2. Step 2: Convert to fraction form
    1,400,613.84/1,932,820.85 = 856,709.67/x
  3. Step 3: Cross multiply
    1,400,613.84x = 1,932,820.85 × 856,709.67
  4. Step 4: Simplify right side
    1,400,613.84x = 1,655,866,314,714.39
  5. Step 5: Solve for x
    x = 1,655,866,314,714.39/1,400,613.84
  6. Step 6: Final answer
    x = 1,182,243.29

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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.