Home / 1,556,905.70-2,335,431.45-492,031.10

Finding the Fourth Proportional to 1,556,905.70, 2,335,431.45 and 492,031.10

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Solution

The fourth proportional to 1,556,905.70, 2,335,431.45 and 492,031.10 is: 738,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,905.70 : 2,335,431.45 = 492,031.10 : x
  2. Step 2: Convert to fraction form
    1,556,905.70/2,335,431.45 = 492,031.10/x
  3. Step 3: Cross multiply
    1,556,905.70x = 2,335,431.45 × 492,031.10
  4. Step 4: Simplify right side
    1,556,905.70x = 1,149,104,905,318.10
  5. Step 5: Solve for x
    x = 1,149,104,905,318.10/1,556,905.70
  6. Step 6: Final answer
    x = 738,069.69

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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.