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Finding the Fourth Proportional to 1,592,649, 2,197,855.62 and 877,257

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Solution

The fourth proportional to 1,592,649, 2,197,855.62 and 877,257 is: 1,210,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,649 : 2,197,855.62 = 877,257 : x
  2. Step 2: Convert to fraction form
    1,592,649/2,197,855.62 = 877,257/x
  3. Step 3: Cross multiply
    1,592,649x = 2,197,855.62 × 877,257
  4. Step 4: Simplify right side
    1,592,649x = 1,928,084,227,634.34
  5. Step 5: Solve for x
    x = 1,928,084,227,634.34/1,592,649
  6. Step 6: Final answer
    x = 1,210,614.66

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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.