Home / 673,106.14-1,007,870.73-406,505.98

Finding the Fourth Proportional to 673,106.14, 1,007,870.73 and 406,505.98

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Solution

The fourth proportional to 673,106.14, 1,007,870.73 and 406,505.98 is: 608,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,106.14 : 1,007,870.73 = 406,505.98 : x
  2. Step 2: Convert to fraction form
    673,106.14/1,007,870.73 = 406,505.98/x
  3. Step 3: Cross multiply
    673,106.14x = 1,007,870.73 × 406,505.98
  4. Step 4: Simplify right side
    673,106.14x = 409,705,478,811.97
  5. Step 5: Solve for x
    x = 409,705,478,811.97/673,106.14
  6. Step 6: Final answer
    x = 608,678.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.