Home / 1,430,156.44-1,973,401.98-818,212

Finding the Fourth Proportional to 1,430,156.44, 1,973,401.98 and 818,212

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Solution

The fourth proportional to 1,430,156.44, 1,973,401.98 and 818,212 is: 1,129,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,156.44 : 1,973,401.98 = 818,212 : x
  2. Step 2: Convert to fraction form
    1,430,156.44/1,973,401.98 = 818,212/x
  3. Step 3: Cross multiply
    1,430,156.44x = 1,973,401.98 × 818,212
  4. Step 4: Simplify right side
    1,430,156.44x = 1,614,661,180,859.76
  5. Step 5: Solve for x
    x = 1,614,661,180,859.76/1,430,156.44
  6. Step 6: Final answer
    x = 1,129,010.18

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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.