Home / 1,779,773.32-2,669,637.66-431,947

Finding the Fourth Proportional to 1,779,773.32, 2,669,637.66 and 431,947

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Solution

The fourth proportional to 1,779,773.32, 2,669,637.66 and 431,947 is: 647,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,773.32 : 2,669,637.66 = 431,947 : x
  2. Step 2: Convert to fraction form
    1,779,773.32/2,669,637.66 = 431,947/x
  3. Step 3: Cross multiply
    1,779,773.32x = 2,669,637.66 × 431,947
  4. Step 4: Simplify right side
    1,779,773.32x = 1,153,141,978,324.02
  5. Step 5: Solve for x
    x = 1,153,141,978,324.02/1,779,773.32
  6. Step 6: Final answer
    x = 647,915.08

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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.