Home / 1,216,052.06-1,678,255.40-706,721.63

Finding the Fourth Proportional to 1,216,052.06, 1,678,255.40 and 706,721.63

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Solution

The fourth proportional to 1,216,052.06, 1,678,255.40 and 706,721.63 is: 975,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,052.06 : 1,678,255.40 = 706,721.63 : x
  2. Step 2: Convert to fraction form
    1,216,052.06/1,678,255.40 = 706,721.63/x
  3. Step 3: Cross multiply
    1,216,052.06x = 1,678,255.40 × 706,721.63
  4. Step 4: Simplify right side
    1,216,052.06x = 1,186,059,385,219.83
  5. Step 5: Solve for x
    x = 1,186,059,385,219.83/1,216,052.06
  6. Step 6: Final answer
    x = 975,336.03

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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.