Home / 1,266,190.30-1,747,341.75-693,230.32

Finding the Fourth Proportional to 1,266,190.30, 1,747,341.75 and 693,230.32

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Solution

The fourth proportional to 1,266,190.30, 1,747,341.75 and 693,230.32 is: 956,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,190.30 : 1,747,341.75 = 693,230.32 : x
  2. Step 2: Convert to fraction form
    1,266,190.30/1,747,341.75 = 693,230.32/x
  3. Step 3: Cross multiply
    1,266,190.30x = 1,747,341.75 × 693,230.32
  4. Step 4: Simplify right side
    1,266,190.30x = 1,211,310,280,501.86
  5. Step 5: Solve for x
    x = 1,211,310,280,501.86/1,266,190.30
  6. Step 6: Final answer
    x = 956,657.37

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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.