Home / 1,779,689.80-2,669,825.58-581,264.20

Finding the Fourth Proportional to 1,779,689.80, 2,669,825.58 and 581,264.20

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Solution

The fourth proportional to 1,779,689.80, 2,669,825.58 and 581,264.20 is: 871,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,689.80 : 2,669,825.58 = 581,264.20 : x
  2. Step 2: Convert to fraction form
    1,779,689.80/2,669,825.58 = 581,264.20/x
  3. Step 3: Cross multiply
    1,779,689.80x = 2,669,825.58 × 581,264.20
  4. Step 4: Simplify right side
    1,779,689.80x = 1,551,874,029,898.24
  5. Step 5: Solve for x
    x = 1,551,874,029,898.24/1,779,689.80
  6. Step 6: Final answer
    x = 871,991.30

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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.