Home / 679,222.21-937,331.70-373,303.79

Finding the Fourth Proportional to 679,222.21, 937,331.70 and 373,303.79

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Solution

The fourth proportional to 679,222.21, 937,331.70 and 373,303.79 is: 515,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,222.21 : 937,331.70 = 373,303.79 : x
  2. Step 2: Convert to fraction form
    679,222.21/937,331.70 = 373,303.79/x
  3. Step 3: Cross multiply
    679,222.21x = 937,331.70 × 373,303.79
  4. Step 4: Simplify right side
    679,222.21x = 349,909,473,525.59
  5. Step 5: Solve for x
    x = 349,909,473,525.59/679,222.21
  6. Step 6: Final answer
    x = 515,162.00

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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.