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Finding the Fourth Proportional to 1,364,769, 1,883,381.22 and 761,157

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Solution

The fourth proportional to 1,364,769, 1,883,381.22 and 761,157 is: 1,050,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,769 : 1,883,381.22 = 761,157 : x
  2. Step 2: Convert to fraction form
    1,364,769/1,883,381.22 = 761,157/x
  3. Step 3: Cross multiply
    1,364,769x = 1,883,381.22 × 761,157
  4. Step 4: Simplify right side
    1,364,769x = 1,433,548,799,271.54
  5. Step 5: Solve for x
    x = 1,433,548,799,271.54/1,364,769
  6. Step 6: Final answer
    x = 1,050,396.66

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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.