Home / 1,215,698.63-1,677,697.59-671,869.64

Finding the Fourth Proportional to 1,215,698.63, 1,677,697.59 and 671,869.64

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Solution

The fourth proportional to 1,215,698.63, 1,677,697.59 and 671,869.64 is: 927,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,698.63 : 1,677,697.59 = 671,869.64 : x
  2. Step 2: Convert to fraction form
    1,215,698.63/1,677,697.59 = 671,869.64/x
  3. Step 3: Cross multiply
    1,215,698.63x = 1,677,697.59 × 671,869.64
  4. Step 4: Simplify right side
    1,215,698.63x = 1,127,194,071,209.24
  5. Step 5: Solve for x
    x = 1,127,194,071,209.24/1,215,698.63
  6. Step 6: Final answer
    x = 927,198.61

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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.