Home / 1,143,855.03-1,578,515.13-634,557.41

Finding the Fourth Proportional to 1,143,855.03, 1,578,515.13 and 634,557.41

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Solution

The fourth proportional to 1,143,855.03, 1,578,515.13 and 634,557.41 is: 875,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,855.03 : 1,578,515.13 = 634,557.41 : x
  2. Step 2: Convert to fraction form
    1,143,855.03/1,578,515.13 = 634,557.41/x
  3. Step 3: Cross multiply
    1,143,855.03x = 1,578,515.13 × 634,557.41
  4. Step 4: Simplify right side
    1,143,855.03x = 1,001,658,464,646.04
  5. Step 5: Solve for x
    x = 1,001,658,464,646.04/1,143,855.03
  6. Step 6: Final answer
    x = 875,686.55

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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.