Home / 875,198.80-1,312,798.20-698,051.80

Finding the Fourth Proportional to 875,198.80, 1,312,798.20 and 698,051.80

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Solution

The fourth proportional to 875,198.80, 1,312,798.20 and 698,051.80 is: 1,047,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,198.80 : 1,312,798.20 = 698,051.80 : x
  2. Step 2: Convert to fraction form
    875,198.80/1,312,798.20 = 698,051.80/x
  3. Step 3: Cross multiply
    875,198.80x = 1,312,798.20 × 698,051.80
  4. Step 4: Simplify right side
    875,198.80x = 916,401,146,546.76
  5. Step 5: Solve for x
    x = 916,401,146,546.76/875,198.80
  6. Step 6: Final answer
    x = 1,047,077.70

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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.