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Finding the Fourth Proportional to 1,879,437.04, 2,593,623.10 and 1,019,997.29

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Solution

The fourth proportional to 1,879,437.04, 2,593,623.10 and 1,019,997.29 is: 1,407,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,437.04 : 2,593,623.10 = 1,019,997.29 : x
  2. Step 2: Convert to fraction form
    1,879,437.04/2,593,623.10 = 1,019,997.29/x
  3. Step 3: Cross multiply
    1,879,437.04x = 2,593,623.10 × 1,019,997.29
  4. Step 4: Simplify right side
    1,879,437.04x = 2,645,488,533,281.40
  5. Step 5: Solve for x
    x = 2,645,488,533,281.40/1,879,437.04
  6. Step 6: Final answer
    x = 1,407,596.25

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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.