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Finding the Fourth Proportional to 1,975,728.88, 2,726,501.88 and 1,070,313.04

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Solution

The fourth proportional to 1,975,728.88, 2,726,501.88 and 1,070,313.04 is: 1,477,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,728.88 : 2,726,501.88 = 1,070,313.04 : x
  2. Step 2: Convert to fraction form
    1,975,728.88/2,726,501.88 = 1,070,313.04/x
  3. Step 3: Cross multiply
    1,975,728.88x = 2,726,501.88 × 1,070,313.04
  4. Step 4: Simplify right side
    1,975,728.88x = 2,918,210,515,748.52
  5. Step 5: Solve for x
    x = 2,918,210,515,748.52/1,975,728.88
  6. Step 6: Final answer
    x = 1,477,029.84

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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.