Home / 1,396,547.44-1,927,399.80-784,701.52

Finding the Fourth Proportional to 1,396,547.44, 1,927,399.80 and 784,701.52

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Solution

The fourth proportional to 1,396,547.44, 1,927,399.80 and 784,701.52 is: 1,082,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,547.44 : 1,927,399.80 = 784,701.52 : x
  2. Step 2: Convert to fraction form
    1,396,547.44/1,927,399.80 = 784,701.52/x
  3. Step 3: Cross multiply
    1,396,547.44x = 1,927,399.80 × 784,701.52
  4. Step 4: Simplify right side
    1,396,547.44x = 1,512,433,552,707.70
  5. Step 5: Solve for x
    x = 1,512,433,552,707.70/1,396,547.44
  6. Step 6: Final answer
    x = 1,082,980.43

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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.