Home / 1,277,331.59-1,913,828.47-770,828.27

Finding the Fourth Proportional to 1,277,331.59, 1,913,828.47 and 770,828.27

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Solution

The fourth proportional to 1,277,331.59, 1,913,828.47 and 770,828.27 is: 1,154,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,331.59 : 1,913,828.47 = 770,828.27 : x
  2. Step 2: Convert to fraction form
    1,277,331.59/1,913,828.47 = 770,828.27/x
  3. Step 3: Cross multiply
    1,277,331.59x = 1,913,828.47 × 770,828.27
  4. Step 4: Simplify right side
    1,277,331.59x = 1,475,233,077,110.63
  5. Step 5: Solve for x
    x = 1,475,233,077,110.63/1,277,331.59
  6. Step 6: Final answer
    x = 1,154,933.52

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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.