Home / 1,877,399.12-2,814,428.32-679,054.88

Finding the Fourth Proportional to 1,877,399.12, 2,814,428.32 and 679,054.88

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Solution

The fourth proportional to 1,877,399.12, 2,814,428.32 and 679,054.88 is: 1,017,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,399.12 : 2,814,428.32 = 679,054.88 : x
  2. Step 2: Convert to fraction form
    1,877,399.12/2,814,428.32 = 679,054.88/x
  3. Step 3: Cross multiply
    1,877,399.12x = 2,814,428.32 × 679,054.88
  4. Step 4: Simplify right side
    1,877,399.12x = 1,911,151,285,106.20
  5. Step 5: Solve for x
    x = 1,911,151,285,106.20/1,877,399.12
  6. Step 6: Final answer
    x = 1,017,978.15

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