Home / 1,210,716.61-1,670,800.23-666,854.37

Finding the Fourth Proportional to 1,210,716.61, 1,670,800.23 and 666,854.37

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Solution

The fourth proportional to 1,210,716.61, 1,670,800.23 and 666,854.37 is: 920,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,716.61 : 1,670,800.23 = 666,854.37 : x
  2. Step 2: Convert to fraction form
    1,210,716.61/1,670,800.23 = 666,854.37/x
  3. Step 3: Cross multiply
    1,210,716.61x = 1,670,800.23 × 666,854.37
  4. Step 4: Simplify right side
    1,210,716.61x = 1,114,180,434,772.51
  5. Step 5: Solve for x
    x = 1,114,180,434,772.51/1,210,716.61
  6. Step 6: Final answer
    x = 920,265.26

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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.