Home / 1,917,953.56-2,876,931.78-655,790.68

Finding the Fourth Proportional to 1,917,953.56, 2,876,931.78 and 655,790.68

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Solution

The fourth proportional to 1,917,953.56, 2,876,931.78 and 655,790.68 is: 983,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,953.56 : 2,876,931.78 = 655,790.68 : x
  2. Step 2: Convert to fraction form
    1,917,953.56/2,876,931.78 = 655,790.68/x
  3. Step 3: Cross multiply
    1,917,953.56x = 2,876,931.78 × 655,790.68
  4. Step 4: Simplify right side
    1,917,953.56x = 1,886,665,048,319.81
  5. Step 5: Solve for x
    x = 1,886,665,048,319.81/1,917,953.56
  6. Step 6: Final answer
    x = 983,686.51

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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.