Home / 1,683,511.76-2,323,208.04-919,568.72

Finding the Fourth Proportional to 1,683,511.76, 2,323,208.04 and 919,568.72

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Solution

The fourth proportional to 1,683,511.76, 2,323,208.04 and 919,568.72 is: 1,268,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,511.76 : 2,323,208.04 = 919,568.72 : x
  2. Step 2: Convert to fraction form
    1,683,511.76/2,323,208.04 = 919,568.72/x
  3. Step 3: Cross multiply
    1,683,511.76x = 2,323,208.04 × 919,568.72
  4. Step 4: Simplify right side
    1,683,511.76x = 2,136,349,443,636.51
  5. Step 5: Solve for x
    x = 2,136,349,443,636.51/1,683,511.76
  6. Step 6: Final answer
    x = 1,268,983.97

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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.