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Finding the Fourth Proportional to 1,795,445, 2,477,714.16 and 990,629

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Solution

The fourth proportional to 1,795,445, 2,477,714.16 and 990,629 is: 1,367,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,445 : 2,477,714.16 = 990,629 : x
  2. Step 2: Convert to fraction form
    1,795,445/2,477,714.16 = 990,629/x
  3. Step 3: Cross multiply
    1,795,445x = 2,477,714.16 × 990,629
  4. Step 4: Simplify right side
    1,795,445x = 2,454,495,500,606.64
  5. Step 5: Solve for x
    x = 2,454,495,500,606.64/1,795,445
  6. Step 6: Final answer
    x = 1,367,068.05

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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.