Home / 1,041,878.62-1,438,015.85-634,111.80

Finding the Fourth Proportional to 1,041,878.62, 1,438,015.85 and 634,111.80

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Solution

The fourth proportional to 1,041,878.62, 1,438,015.85 and 634,111.80 is: 875,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,878.62 : 1,438,015.85 = 634,111.80 : x
  2. Step 2: Convert to fraction form
    1,041,878.62/1,438,015.85 = 634,111.80/x
  3. Step 3: Cross multiply
    1,041,878.62x = 1,438,015.85 × 634,111.80
  4. Step 4: Simplify right side
    1,041,878.62x = 911,862,819,072.03
  5. Step 5: Solve for x
    x = 911,862,819,072.03/1,041,878.62
  6. Step 6: Final answer
    x = 875,210.22

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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.