Home / 693,313.04-956,816.61-406,728.56

Finding the Fourth Proportional to 693,313.04, 956,816.61 and 406,728.56

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Solution

The fourth proportional to 693,313.04, 956,816.61 and 406,728.56 is: 561,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,313.04 : 956,816.61 = 406,728.56 : x
  2. Step 2: Convert to fraction form
    693,313.04/956,816.61 = 406,728.56/x
  3. Step 3: Cross multiply
    693,313.04x = 956,816.61 × 406,728.56
  4. Step 4: Simplify right side
    693,313.04x = 389,164,641,969.38
  5. Step 5: Solve for x
    x = 389,164,641,969.38/693,313.04
  6. Step 6: Final answer
    x = 561,311.59

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1.5x scale

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.