Home / 443,890.08-612,570.40-242,686.08

Finding the Fourth Proportional to 443,890.08, 612,570.40 and 242,686.08

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Solution

The fourth proportional to 443,890.08, 612,570.40 and 242,686.08 is: 334,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,890.08 : 612,570.40 = 242,686.08 : x
  2. Step 2: Convert to fraction form
    443,890.08/612,570.40 = 242,686.08/x
  3. Step 3: Cross multiply
    443,890.08x = 612,570.40 × 242,686.08
  4. Step 4: Simplify right side
    443,890.08x = 148,662,309,100.03
  5. Step 5: Solve for x
    x = 148,662,309,100.03/443,890.08
  6. Step 6: Final answer
    x = 334,907.93

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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.