Home / 849,837.05-1,172,859.84-634,603.44

Finding the Fourth Proportional to 849,837.05, 1,172,859.84 and 634,603.44

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Solution

The fourth proportional to 849,837.05, 1,172,859.84 and 634,603.44 is: 875,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,837.05 : 1,172,859.84 = 634,603.44 : x
  2. Step 2: Convert to fraction form
    849,837.05/1,172,859.84 = 634,603.44/x
  3. Step 3: Cross multiply
    849,837.05x = 1,172,859.84 × 634,603.44
  4. Step 4: Simplify right side
    849,837.05x = 744,300,890,688.36
  5. Step 5: Solve for x
    x = 744,300,890,688.36/849,837.05
  6. Step 6: Final answer
    x = 875,816.01

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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.