Home / 1,457,887.69-2,186,683.89-393,037.39

Finding the Fourth Proportional to 1,457,887.69, 2,186,683.89 and 393,037.39

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Solution

The fourth proportional to 1,457,887.69, 2,186,683.89 and 393,037.39 is: 589,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,887.69 : 2,186,683.89 = 393,037.39 : x
  2. Step 2: Convert to fraction form
    1,457,887.69/2,186,683.89 = 393,037.39/x
  3. Step 3: Cross multiply
    1,457,887.69x = 2,186,683.89 × 393,037.39
  4. Step 4: Simplify right side
    1,457,887.69x = 859,448,532,980.68
  5. Step 5: Solve for x
    x = 859,448,532,980.68/1,457,887.69
  6. Step 6: Final answer
    x = 589,516.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.