Home / 693,340.42-956,816.10-406,865.28

Finding the Fourth Proportional to 693,340.42, 956,816.10 and 406,865.28

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Solution

The fourth proportional to 693,340.42, 956,816.10 and 406,865.28 is: 561,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,340.42 : 956,816.10 = 406,865.28 : x
  2. Step 2: Convert to fraction form
    693,340.42/956,816.10 = 406,865.28/x
  3. Step 3: Cross multiply
    693,340.42x = 956,816.10 × 406,865.28
  4. Step 4: Simplify right side
    693,340.42x = 389,295,250,435.01
  5. Step 5: Solve for x
    x = 389,295,250,435.01/693,340.42
  6. Step 6: Final answer
    x = 561,477.80

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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.