Home / 1,210,367.27-1,670,306.65-666,501.71

Finding the Fourth Proportional to 1,210,367.27, 1,670,306.65 and 666,501.71

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Solution

The fourth proportional to 1,210,367.27, 1,670,306.65 and 666,501.71 is: 919,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,367.27 : 1,670,306.65 = 666,501.71 : x
  2. Step 2: Convert to fraction form
    1,210,367.27/1,670,306.65 = 666,501.71/x
  3. Step 3: Cross multiply
    1,210,367.27x = 1,670,306.65 × 666,501.71
  4. Step 4: Simplify right side
    1,210,367.27x = 1,113,262,228,431.58
  5. Step 5: Solve for x
    x = 1,113,262,228,431.58/1,210,367.27
  6. Step 6: Final answer
    x = 919,772.25

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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.