Home / 1,501,697.80-2,072,369.46-822,590.20

Finding the Fourth Proportional to 1,501,697.80, 2,072,369.46 and 822,590.20

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Solution

The fourth proportional to 1,501,697.80, 2,072,369.46 and 822,590.20 is: 1,135,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,697.80 : 2,072,369.46 = 822,590.20 : x
  2. Step 2: Convert to fraction form
    1,501,697.80/2,072,369.46 = 822,590.20/x
  3. Step 3: Cross multiply
    1,501,697.80x = 2,072,369.46 × 822,590.20
  4. Step 4: Simplify right side
    1,501,697.80x = 1,704,710,808,575.29
  5. Step 5: Solve for x
    x = 1,704,710,808,575.29/1,501,697.80
  6. Step 6: Final answer
    x = 1,135,188.99

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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.