Home / 1,071,409.44-1,607,123.88-272,691.93

Finding the Fourth Proportional to 1,071,409.44, 1,607,123.88 and 272,691.93

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Solution

The fourth proportional to 1,071,409.44, 1,607,123.88 and 272,691.93 is: 409,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,409.44 : 1,607,123.88 = 272,691.93 : x
  2. Step 2: Convert to fraction form
    1,071,409.44/1,607,123.88 = 272,691.93/x
  3. Step 3: Cross multiply
    1,071,409.44x = 1,607,123.88 × 272,691.93
  4. Step 4: Simplify right side
    1,071,409.44x = 438,249,712,586.29
  5. Step 5: Solve for x
    x = 438,249,712,586.29/1,071,409.44
  6. Step 6: Final answer
    x = 409,040.37

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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.