Home / 1,571,586.69-2,168,411.27-917,841.97

Finding the Fourth Proportional to 1,571,586.69, 2,168,411.27 and 917,841.97

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Solution

The fourth proportional to 1,571,586.69, 2,168,411.27 and 917,841.97 is: 1,266,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,586.69 : 2,168,411.27 = 917,841.97 : x
  2. Step 2: Convert to fraction form
    1,571,586.69/2,168,411.27 = 917,841.97/x
  3. Step 3: Cross multiply
    1,571,586.69x = 2,168,411.27 × 917,841.97
  4. Step 4: Simplify right side
    1,571,586.69x = 1,990,258,871,827.00
  5. Step 5: Solve for x
    x = 1,990,258,871,827.00/1,571,586.69
  6. Step 6: Final answer
    x = 1,266,400.95

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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.