Home / 1,457,887.63-2,186,683.80-393,037.33

Finding the Fourth Proportional to 1,457,887.63, 2,186,683.80 and 393,037.33

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Solution

The fourth proportional to 1,457,887.63, 2,186,683.80 and 393,037.33 is: 589,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,887.63 : 2,186,683.80 = 393,037.33 : x
  2. Step 2: Convert to fraction form
    1,457,887.63/2,186,683.80 = 393,037.33/x
  3. Step 3: Cross multiply
    1,457,887.63x = 2,186,683.80 × 393,037.33
  4. Step 4: Simplify right side
    1,457,887.63x = 859,448,359,465.69
  5. Step 5: Solve for x
    x = 859,448,359,465.69/1,457,887.63
  6. Step 6: Final answer
    x = 589,516.19

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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.