Home / 424,566.10-636,777.67-120,938.93

Finding the Fourth Proportional to 424,566.10, 636,777.67 and 120,938.93

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Solution

The fourth proportional to 424,566.10, 636,777.67 and 120,938.93 is: 181,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,566.10 : 636,777.67 = 120,938.93 : x
  2. Step 2: Convert to fraction form
    424,566.10/636,777.67 = 120,938.93/x
  3. Step 3: Cross multiply
    424,566.10x = 636,777.67 × 120,938.93
  4. Step 4: Simplify right side
    424,566.10x = 77,011,210,057.69
  5. Step 5: Solve for x
    x = 77,011,210,057.69/424,566.10
  6. Step 6: Final answer
    x = 181,388.03

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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.