Home / 1,353,047.55-1,866,497.70-836,636.36

Finding the Fourth Proportional to 1,353,047.55, 1,866,497.70 and 836,636.36

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Solution

The fourth proportional to 1,353,047.55, 1,866,497.70 and 836,636.36 is: 1,154,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,047.55 : 1,866,497.70 = 836,636.36 : x
  2. Step 2: Convert to fraction form
    1,353,047.55/1,866,497.70 = 836,636.36/x
  3. Step 3: Cross multiply
    1,353,047.55x = 1,866,497.70 × 836,636.36
  4. Step 4: Simplify right side
    1,353,047.55x = 1,561,579,841,676.37
  5. Step 5: Solve for x
    x = 1,561,579,841,676.37/1,353,047.55
  6. Step 6: Final answer
    x = 1,154,120.45

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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.