Home / 1,683,641.16-2,323,475.82-919,743.93

Finding the Fourth Proportional to 1,683,641.16, 2,323,475.82 and 919,743.93

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Solution

The fourth proportional to 1,683,641.16, 2,323,475.82 and 919,743.93 is: 1,269,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,641.16 : 2,323,475.82 = 919,743.93 : x
  2. Step 2: Convert to fraction form
    1,683,641.16/2,323,475.82 = 919,743.93/x
  3. Step 3: Cross multiply
    1,683,641.16x = 2,323,475.82 × 919,743.93
  4. Step 4: Simplify right side
    1,683,641.16x = 2,137,002,781,946.77
  5. Step 5: Solve for x
    x = 2,137,002,781,946.77/1,683,641.16
  6. Step 6: Final answer
    x = 1,269,274.49

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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.