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Finding the Fourth Proportional to 1,695,984, 2,545,142.40 and 698,712

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Solution

The fourth proportional to 1,695,984, 2,545,142.40 and 698,712 is: 1,048,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,984 : 2,545,142.40 = 698,712 : x
  2. Step 2: Convert to fraction form
    1,695,984/2,545,142.40 = 698,712/x
  3. Step 3: Cross multiply
    1,695,984x = 2,545,142.40 × 698,712
  4. Step 4: Simplify right side
    1,695,984x = 1,778,321,536,588.80
  5. Step 5: Solve for x
    x = 1,778,321,536,588.80/1,695,984
  6. Step 6: Final answer
    x = 1,048,548.53

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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.