Home / 1,316,828.39-1,817,370.88-743,905.47

Finding the Fourth Proportional to 1,316,828.39, 1,817,370.88 and 743,905.47

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Solution

The fourth proportional to 1,316,828.39, 1,817,370.88 and 743,905.47 is: 1,026,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,828.39 : 1,817,370.88 = 743,905.47 : x
  2. Step 2: Convert to fraction form
    1,316,828.39/1,817,370.88 = 743,905.47/x
  3. Step 3: Cross multiply
    1,316,828.39x = 1,817,370.88 × 743,905.47
  4. Step 4: Simplify right side
    1,316,828.39x = 1,351,952,133,383.38
  5. Step 5: Solve for x
    x = 1,351,952,133,383.38/1,316,828.39
  6. Step 6: Final answer
    x = 1,026,672.98

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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.