Home / 1,277,880.93-1,917,176.06-709,661.07

Finding the Fourth Proportional to 1,277,880.93, 1,917,176.06 and 709,661.07

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Solution

The fourth proportional to 1,277,880.93, 1,917,176.06 and 709,661.07 is: 1,064,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,880.93 : 1,917,176.06 = 709,661.07 : x
  2. Step 2: Convert to fraction form
    1,277,880.93/1,917,176.06 = 709,661.07/x
  3. Step 3: Cross multiply
    1,277,880.93x = 1,917,176.06 × 709,661.07
  4. Step 4: Simplify right side
    1,277,880.93x = 1,360,545,215,892.14
  5. Step 5: Solve for x
    x = 1,360,545,215,892.14/1,277,880.93
  6. Step 6: Final answer
    x = 1,064,688.57

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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.