Home / 1,771,804.80-2,657,188.80-634,435.20

Finding the Fourth Proportional to 1,771,804.80, 2,657,188.80 and 634,435.20

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Solution

The fourth proportional to 1,771,804.80, 2,657,188.80 and 634,435.20 is: 951,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,804.80 : 2,657,188.80 = 634,435.20 : x
  2. Step 2: Convert to fraction form
    1,771,804.80/2,657,188.80 = 634,435.20/x
  3. Step 3: Cross multiply
    1,771,804.80x = 2,657,188.80 × 634,435.20
  4. Step 4: Simplify right side
    1,771,804.80x = 1,685,814,107,765.76
  5. Step 5: Solve for x
    x = 1,685,814,107,765.76/1,771,804.80
  6. Step 6: Final answer
    x = 951,467.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.