Home / 705,466.65-973,556.80-399,606.53

Finding the Fourth Proportional to 705,466.65, 973,556.80 and 399,606.53

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Solution

The fourth proportional to 705,466.65, 973,556.80 and 399,606.53 is: 551,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,466.65 : 973,556.80 = 399,606.53 : x
  2. Step 2: Convert to fraction form
    705,466.65/973,556.80 = 399,606.53/x
  3. Step 3: Cross multiply
    705,466.65x = 973,556.80 × 399,606.53
  4. Step 4: Simplify right side
    705,466.65x = 389,039,652,607.87
  5. Step 5: Solve for x
    x = 389,039,652,607.87/705,466.65
  6. Step 6: Final answer
    x = 551,464.28

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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.