Home / 1,787,176.95-2,466,320.55-971,382.51

Finding the Fourth Proportional to 1,787,176.95, 2,466,320.55 and 971,382.51

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Solution

The fourth proportional to 1,787,176.95, 2,466,320.55 and 971,382.51 is: 1,340,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,176.95 : 2,466,320.55 = 971,382.51 : x
  2. Step 2: Convert to fraction form
    1,787,176.95/2,466,320.55 = 971,382.51/x
  3. Step 3: Cross multiply
    1,787,176.95x = 2,466,320.55 × 971,382.51
  4. Step 4: Simplify right side
    1,787,176.95x = 2,395,740,646,323.58
  5. Step 5: Solve for x
    x = 2,395,740,646,323.58/1,787,176.95
  6. Step 6: Final answer
    x = 1,340,516.76

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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.