Home / 1,216,053.06-1,678,256.78-706,722.63

Finding the Fourth Proportional to 1,216,053.06, 1,678,256.78 and 706,722.63

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Solution

The fourth proportional to 1,216,053.06, 1,678,256.78 and 706,722.63 is: 975,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,053.06 : 1,678,256.78 = 706,722.63 : x
  2. Step 2: Convert to fraction form
    1,216,053.06/1,678,256.78 = 706,722.63/x
  3. Step 3: Cross multiply
    1,216,053.06x = 1,678,256.78 × 706,722.63
  4. Step 4: Simplify right side
    1,216,053.06x = 1,186,062,045,376.93
  5. Step 5: Solve for x
    x = 1,186,062,045,376.93/1,216,053.06
  6. Step 6: Final answer
    x = 975,337.41

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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.