Home / 1,668,615.78-2,501,439.30-603,421.20

Finding the Fourth Proportional to 1,668,615.78, 2,501,439.30 and 603,421.20

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Solution

The fourth proportional to 1,668,615.78, 2,501,439.30 and 603,421.20 is: 904,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,615.78 : 2,501,439.30 = 603,421.20 : x
  2. Step 2: Convert to fraction form
    1,668,615.78/2,501,439.30 = 603,421.20/x
  3. Step 3: Cross multiply
    1,668,615.78x = 2,501,439.30 × 603,421.20
  4. Step 4: Simplify right side
    1,668,615.78x = 1,509,421,504,133.16
  5. Step 5: Solve for x
    x = 1,509,421,504,133.16/1,668,615.78
  6. Step 6: Final answer
    x = 904,595.01

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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.