Home / 1,253,666.30-1,730,010.96-680,693.36

Finding the Fourth Proportional to 1,253,666.30, 1,730,010.96 and 680,693.36

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Solution

The fourth proportional to 1,253,666.30, 1,730,010.96 and 680,693.36 is: 939,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,666.30 : 1,730,010.96 = 680,693.36 : x
  2. Step 2: Convert to fraction form
    1,253,666.30/1,730,010.96 = 680,693.36/x
  3. Step 3: Cross multiply
    1,253,666.30x = 1,730,010.96 × 680,693.36
  4. Step 4: Simplify right side
    1,253,666.30x = 1,177,606,973,199.23
  5. Step 5: Solve for x
    x = 1,177,606,973,199.23/1,253,666.30
  6. Step 6: Final answer
    x = 939,330.48

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1.5x scale

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.