Home / 776,395.85-1,071,316.01-432,183.98

Finding the Fourth Proportional to 776,395.85, 1,071,316.01 and 432,183.98

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Solution

The fourth proportional to 776,395.85, 1,071,316.01 and 432,183.98 is: 596,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,395.85 : 1,071,316.01 = 432,183.98 : x
  2. Step 2: Convert to fraction form
    776,395.85/1,071,316.01 = 432,183.98/x
  3. Step 3: Cross multiply
    776,395.85x = 1,071,316.01 × 432,183.98
  4. Step 4: Simplify right side
    776,395.85x = 463,005,620,798.27
  5. Step 5: Solve for x
    x = 463,005,620,798.27/776,395.85
  6. Step 6: Final answer
    x = 596,352.52

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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.