Home / 849,835.67-1,172,857.95-634,602.06

Finding the Fourth Proportional to 849,835.67, 1,172,857.95 and 634,602.06

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Solution

The fourth proportional to 849,835.67, 1,172,857.95 and 634,602.06 is: 875,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,835.67 : 1,172,857.95 = 634,602.06 : x
  2. Step 2: Convert to fraction form
    849,835.67/1,172,857.95 = 634,602.06/x
  3. Step 3: Cross multiply
    849,835.67x = 1,172,857.95 × 634,602.06
  4. Step 4: Simplify right side
    849,835.67x = 744,298,071,157.38
  5. Step 5: Solve for x
    x = 744,298,071,157.38/849,835.67
  6. Step 6: Final answer
    x = 875,814.12

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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.