Home / 1,417,432.16-1,956,222.40-805,676.96

Finding the Fourth Proportional to 1,417,432.16, 1,956,222.40 and 805,676.96

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Solution

The fourth proportional to 1,417,432.16, 1,956,222.40 and 805,676.96 is: 1,111,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,432.16 : 1,956,222.40 = 805,676.96 : x
  2. Step 2: Convert to fraction form
    1,417,432.16/1,956,222.40 = 805,676.96/x
  3. Step 3: Cross multiply
    1,417,432.16x = 1,956,222.40 × 805,676.96
  4. Step 4: Simplify right side
    1,417,432.16x = 1,576,083,316,315.90
  5. Step 5: Solve for x
    x = 1,576,083,316,315.90/1,417,432.16
  6. Step 6: Final answer
    x = 1,111,928.57

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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.