Home / 1,099,136.91-1,516,792.27-615,719.36

Finding the Fourth Proportional to 1,099,136.91, 1,516,792.27 and 615,719.36

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Solution

The fourth proportional to 1,099,136.91, 1,516,792.27 and 615,719.36 is: 849,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,136.91 : 1,516,792.27 = 615,719.36 : x
  2. Step 2: Convert to fraction form
    1,099,136.91/1,516,792.27 = 615,719.36/x
  3. Step 3: Cross multiply
    1,099,136.91x = 1,516,792.27 × 615,719.36
  4. Step 4: Simplify right side
    1,099,136.91x = 933,918,358,153.39
  5. Step 5: Solve for x
    x = 933,918,358,153.39/1,099,136.91
  6. Step 6: Final answer
    x = 849,683.38

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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.