Home / 893,857.16-1,233,547.20-485,986.46

Finding the Fourth Proportional to 893,857.16, 1,233,547.20 and 485,986.46

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Solution

The fourth proportional to 893,857.16, 1,233,547.20 and 485,986.46 is: 670,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,857.16 : 1,233,547.20 = 485,986.46 : x
  2. Step 2: Convert to fraction form
    893,857.16/1,233,547.20 = 485,986.46/x
  3. Step 3: Cross multiply
    893,857.16x = 1,233,547.20 × 485,986.46
  4. Step 4: Simplify right side
    893,857.16x = 599,487,230,803.18
  5. Step 5: Solve for x
    x = 599,487,230,803.18/893,857.16
  6. Step 6: Final answer
    x = 670,674.53

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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.