Home / 1,210,406.97-1,815,186.11-357,250.98

Finding the Fourth Proportional to 1,210,406.97, 1,815,186.11 and 357,250.98

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Solution

The fourth proportional to 1,210,406.97, 1,815,186.11 and 357,250.98 is: 535,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,406.97 : 1,815,186.11 = 357,250.98 : x
  2. Step 2: Convert to fraction form
    1,210,406.97/1,815,186.11 = 357,250.98/x
  3. Step 3: Cross multiply
    1,210,406.97x = 1,815,186.11 × 357,250.98
  4. Step 4: Simplify right side
    1,210,406.97x = 648,477,014,893.63
  5. Step 5: Solve for x
    x = 648,477,014,893.63/1,210,406.97
  6. Step 6: Final answer
    x = 535,751.22

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Double scale
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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.