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Finding the Fourth Proportional to 1,194,482.93, 1,648,746.63 and 812,731.14

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Solution

The fourth proportional to 1,194,482.93, 1,648,746.63 and 812,731.14 is: 1,121,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,482.93 : 1,648,746.63 = 812,731.14 : x
  2. Step 2: Convert to fraction form
    1,194,482.93/1,648,746.63 = 812,731.14/x
  3. Step 3: Cross multiply
    1,194,482.93x = 1,648,746.63 × 812,731.14
  4. Step 4: Simplify right side
    1,194,482.93x = 1,339,987,731,218.80
  5. Step 5: Solve for x
    x = 1,339,987,731,218.80/1,194,482.93
  6. Step 6: Final answer
    x = 1,121,814.05

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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.