Home / 1,417,854.72-1,956,561.72-805,922.40

Finding the Fourth Proportional to 1,417,854.72, 1,956,561.72 and 805,922.40

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Solution

The fourth proportional to 1,417,854.72, 1,956,561.72 and 805,922.40 is: 1,112,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,854.72 : 1,956,561.72 = 805,922.40 : x
  2. Step 2: Convert to fraction form
    1,417,854.72/1,956,561.72 = 805,922.40/x
  3. Step 3: Cross multiply
    1,417,854.72x = 1,956,561.72 × 805,922.40
  4. Step 4: Simplify right side
    1,417,854.72x = 1,576,836,917,130.53
  5. Step 5: Solve for x
    x = 1,576,836,917,130.53/1,417,854.72
  6. Step 6: Final answer
    x = 1,112,128.69

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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.