Home / 849,837.17-1,172,860.02-634,603.56

Finding the Fourth Proportional to 849,837.17, 1,172,860.02 and 634,603.56

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Solution

The fourth proportional to 849,837.17, 1,172,860.02 and 634,603.56 is: 875,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,837.17 : 1,172,860.02 = 634,603.56 : x
  2. Step 2: Convert to fraction form
    849,837.17/1,172,860.02 = 634,603.56/x
  3. Step 3: Cross multiply
    849,837.17x = 1,172,860.02 × 634,603.56
  4. Step 4: Simplify right side
    849,837.17x = 744,301,144,073.67
  5. Step 5: Solve for x
    x = 744,301,144,073.67/849,837.17
  6. Step 6: Final answer
    x = 875,816.19

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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.