Home / 1,210,506.35-1,670,434.79-694,233.61

Finding the Fourth Proportional to 1,210,506.35, 1,670,434.79 and 694,233.61

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Solution

The fourth proportional to 1,210,506.35, 1,670,434.79 and 694,233.61 is: 958,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,506.35 : 1,670,434.79 = 694,233.61 : x
  2. Step 2: Convert to fraction form
    1,210,506.35/1,670,434.79 = 694,233.61/x
  3. Step 3: Cross multiply
    1,210,506.35x = 1,670,434.79 × 694,233.61
  4. Step 4: Simplify right side
    1,210,506.35x = 1,159,671,966,884.04
  5. Step 5: Solve for x
    x = 1,159,671,966,884.04/1,210,506.35
  6. Step 6: Final answer
    x = 958,005.69

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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.