Home / 1,430,086.42-1,973,862.98-818,593.66

Finding the Fourth Proportional to 1,430,086.42, 1,973,862.98 and 818,593.66

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Solution

The fourth proportional to 1,430,086.42, 1,973,862.98 and 818,593.66 is: 1,129,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,086.42 : 1,973,862.98 = 818,593.66 : x
  2. Step 2: Convert to fraction form
    1,430,086.42/1,973,862.98 = 818,593.66/x
  3. Step 3: Cross multiply
    1,430,086.42x = 1,973,862.98 × 818,593.66
  4. Step 4: Simplify right side
    1,430,086.42x = 1,615,791,721,136.71
  5. Step 5: Solve for x
    x = 1,615,791,721,136.71/1,430,086.42
  6. Step 6: Final answer
    x = 1,129,856.00

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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.