Home / 1,275,734.90-1,760,430.47-702,775.02

Finding the Fourth Proportional to 1,275,734.90, 1,760,430.47 and 702,775.02

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Solution

The fourth proportional to 1,275,734.90, 1,760,430.47 and 702,775.02 is: 969,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,734.90 : 1,760,430.47 = 702,775.02 : x
  2. Step 2: Convert to fraction form
    1,275,734.90/1,760,430.47 = 702,775.02/x
  3. Step 3: Cross multiply
    1,275,734.90x = 1,760,430.47 × 702,775.02
  4. Step 4: Simplify right side
    1,275,734.90x = 1,237,186,558,762.86
  5. Step 5: Solve for x
    x = 1,237,186,558,762.86/1,275,734.90
  6. Step 6: Final answer
    x = 969,783.42

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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.