Home / 1,779,589.57-2,669,839.37-517,417.20

Finding the Fourth Proportional to 1,779,589.57, 2,669,839.37 and 517,417.20

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Solution

The fourth proportional to 1,779,589.57, 2,669,839.37 and 517,417.20 is: 776,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,589.57 : 2,669,839.37 = 517,417.20 : x
  2. Step 2: Convert to fraction form
    1,779,589.57/2,669,839.37 = 517,417.20/x
  3. Step 3: Cross multiply
    1,779,589.57x = 2,669,839.37 × 517,417.20
  4. Step 4: Simplify right side
    1,779,589.57x = 1,381,420,811,275.16
  5. Step 5: Solve for x
    x = 1,381,420,811,275.16/1,779,589.57
  6. Step 6: Final answer
    x = 776,258.10

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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.