Home / 1,683,663.61-2,323,369.17-919,569.55

Finding the Fourth Proportional to 1,683,663.61, 2,323,369.17 and 919,569.55

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Solution

The fourth proportional to 1,683,663.61, 2,323,369.17 and 919,569.55 is: 1,268,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,663.61 : 2,323,369.17 = 919,569.55 : x
  2. Step 2: Convert to fraction form
    1,683,663.61/2,323,369.17 = 919,569.55/x
  3. Step 3: Cross multiply
    1,683,663.61x = 2,323,369.17 × 919,569.55
  4. Step 4: Simplify right side
    1,683,663.61x = 2,136,499,542,140.77
  5. Step 5: Solve for x
    x = 2,136,499,542,140.77/1,683,663.61
  6. Step 6: Final answer
    x = 1,268,958.67

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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.