Home / 1,210,716.23-1,670,799.69-666,854.01

Finding the Fourth Proportional to 1,210,716.23, 1,670,799.69 and 666,854.01

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Solution

The fourth proportional to 1,210,716.23, 1,670,799.69 and 666,854.01 is: 920,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,716.23 : 1,670,799.69 = 666,854.01 : x
  2. Step 2: Convert to fraction form
    1,210,716.23/1,670,799.69 = 666,854.01/x
  3. Step 3: Cross multiply
    1,210,716.23x = 1,670,799.69 × 666,854.01
  4. Step 4: Simplify right side
    1,210,716.23x = 1,114,179,473,183.26
  5. Step 5: Solve for x
    x = 1,114,179,473,183.26/1,210,716.23
  6. Step 6: Final answer
    x = 920,264.76

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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.