Home / 1,210,839.33-1,670,950.45-666,962.51

Finding the Fourth Proportional to 1,210,839.33, 1,670,950.45 and 666,962.51

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Solution

The fourth proportional to 1,210,839.33, 1,670,950.45 and 666,962.51 is: 920,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,839.33 : 1,670,950.45 = 666,962.51 : x
  2. Step 2: Convert to fraction form
    1,210,839.33/1,670,950.45 = 666,962.51/x
  3. Step 3: Cross multiply
    1,210,839.33x = 1,670,950.45 × 666,962.51
  4. Step 4: Simplify right side
    1,210,839.33x = 1,114,461,298,696.58
  5. Step 5: Solve for x
    x = 1,114,461,298,696.58/1,210,839.33
  6. Step 6: Final answer
    x = 920,403.94

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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.