Home / 673,923.46-929,990.01-372,110.98

Finding the Fourth Proportional to 673,923.46, 929,990.01 and 372,110.98

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Solution

The fourth proportional to 673,923.46, 929,990.01 and 372,110.98 is: 513,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,923.46 : 929,990.01 = 372,110.98 : x
  2. Step 2: Convert to fraction form
    673,923.46/929,990.01 = 372,110.98/x
  3. Step 3: Cross multiply
    673,923.46x = 929,990.01 × 372,110.98
  4. Step 4: Simplify right side
    673,923.46x = 346,059,494,011.31
  5. Step 5: Solve for x
    x = 346,059,494,011.31/673,923.46
  6. Step 6: Final answer
    x = 513,499.70

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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.