Home / 1,779,772.32-2,669,636.16-431,946

Finding the Fourth Proportional to 1,779,772.32, 2,669,636.16 and 431,946

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Solution

The fourth proportional to 1,779,772.32, 2,669,636.16 and 431,946 is: 647,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,772.32 : 2,669,636.16 = 431,946 : x
  2. Step 2: Convert to fraction form
    1,779,772.32/2,669,636.16 = 431,946/x
  3. Step 3: Cross multiply
    1,779,772.32x = 2,669,636.16 × 431,946
  4. Step 4: Simplify right side
    1,779,772.32x = 1,153,138,660,767.36
  5. Step 5: Solve for x
    x = 1,153,138,660,767.36/1,779,772.32
  6. Step 6: Final answer
    x = 647,913.58

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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.