Home / 673,040.18-1,009,996.86-402,964.76

Finding the Fourth Proportional to 673,040.18, 1,009,996.86 and 402,964.76

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Solution

The fourth proportional to 673,040.18, 1,009,996.86 and 402,964.76 is: 604,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,040.18 : 1,009,996.86 = 402,964.76 : x
  2. Step 2: Convert to fraction form
    673,040.18/1,009,996.86 = 402,964.76/x
  3. Step 3: Cross multiply
    673,040.18x = 1,009,996.86 × 402,964.76
  4. Step 4: Simplify right side
    673,040.18x = 406,993,142,290.65
  5. Step 5: Solve for x
    x = 406,993,142,290.65/673,040.18
  6. Step 6: Final answer
    x = 604,708.54

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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.