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Finding the Fourth Proportional to 1,793,985.64, 2,473,127.78 and 1,411,347.88

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Solution

The fourth proportional to 1,793,985.64, 2,473,127.78 and 1,411,347.88 is: 1,945,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,985.64 : 2,473,127.78 = 1,411,347.88 : x
  2. Step 2: Convert to fraction form
    1,793,985.64/2,473,127.78 = 1,411,347.88/x
  3. Step 3: Cross multiply
    1,793,985.64x = 2,473,127.78 × 1,411,347.88
  4. Step 4: Simplify right side
    1,793,985.64x = 3,490,443,649,272.11
  5. Step 5: Solve for x
    x = 3,490,443,649,272.11/1,793,985.64
  6. Step 6: Final answer
    x = 1,945,636.34

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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.