Home / 1,297,405.70-1,941,442.95-877,501.70

Finding the Fourth Proportional to 1,297,405.70, 1,941,442.95 and 877,501.70

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Solution

The fourth proportional to 1,297,405.70, 1,941,442.95 and 877,501.70 is: 1,313,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,405.70 : 1,941,442.95 = 877,501.70 : x
  2. Step 2: Convert to fraction form
    1,297,405.70/1,941,442.95 = 877,501.70/x
  3. Step 3: Cross multiply
    1,297,405.70x = 1,941,442.95 × 877,501.70
  4. Step 4: Simplify right side
    1,297,405.70x = 1,703,619,489,078.02
  5. Step 5: Solve for x
    x = 1,703,619,489,078.02/1,297,405.70
  6. Step 6: Final answer
    x = 1,313,096.97

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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.