Home / 1,677,904.18-2,515,860.78-666,482.32

Finding the Fourth Proportional to 1,677,904.18, 2,515,860.78 and 666,482.32

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Solution

The fourth proportional to 1,677,904.18, 2,515,860.78 and 666,482.32 is: 999,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,904.18 : 2,515,860.78 = 666,482.32 : x
  2. Step 2: Convert to fraction form
    1,677,904.18/2,515,860.78 = 666,482.32/x
  3. Step 3: Cross multiply
    1,677,904.18x = 2,515,860.78 × 666,482.32
  4. Step 4: Simplify right side
    1,677,904.18x = 1,676,776,729,451.41
  5. Step 5: Solve for x
    x = 1,676,776,729,451.41/1,677,904.18
  6. Step 6: Final answer
    x = 999,328.06

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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.