Home / 1,638,186-2,457,112.95-439,952.67

Finding the Fourth Proportional to 1,638,186, 2,457,112.95 and 439,952.67

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Solution

The fourth proportional to 1,638,186, 2,457,112.95 and 439,952.67 is: 659,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,186 : 2,457,112.95 = 439,952.67 : x
  2. Step 2: Convert to fraction form
    1,638,186/2,457,112.95 = 439,952.67/x
  3. Step 3: Cross multiply
    1,638,186x = 2,457,112.95 × 439,952.67
  4. Step 4: Simplify right side
    1,638,186x = 1,081,013,402,844.08
  5. Step 5: Solve for x
    x = 1,081,013,402,844.08/1,638,186
  6. Step 6: Final answer
    x = 659,884.41

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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.