Home / 849,687.81-1,171,971.89-559,206.81

Finding the Fourth Proportional to 849,687.81, 1,171,971.89 and 559,206.81

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Solution

The fourth proportional to 849,687.81, 1,171,971.89 and 559,206.81 is: 771,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,687.81 : 1,171,971.89 = 559,206.81 : x
  2. Step 2: Convert to fraction form
    849,687.81/1,171,971.89 = 559,206.81/x
  3. Step 3: Cross multiply
    849,687.81x = 1,171,971.89 × 559,206.81
  4. Step 4: Simplify right side
    849,687.81x = 655,374,659,220.54
  5. Step 5: Solve for x
    x = 655,374,659,220.54/849,687.81
  6. Step 6: Final answer
    x = 771,312.30

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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.