Home / 1,678,266.36-2,518,186.86-836,883.72

Finding the Fourth Proportional to 1,678,266.36, 2,518,186.86 and 836,883.72

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Solution

The fourth proportional to 1,678,266.36, 2,518,186.86 and 836,883.72 is: 1,255,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,266.36 : 2,518,186.86 = 836,883.72 : x
  2. Step 2: Convert to fraction form
    1,678,266.36/2,518,186.86 = 836,883.72/x
  3. Step 3: Cross multiply
    1,678,266.36x = 2,518,186.86 × 836,883.72
  4. Step 4: Simplify right side
    1,678,266.36x = 2,107,429,587,051.92
  5. Step 5: Solve for x
    x = 2,107,429,587,051.92/1,678,266.36
  6. Step 6: Final answer
    x = 1,255,718.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.