Home / 965,023.74-1,331,707.05-557,111.79

Finding the Fourth Proportional to 965,023.74, 1,331,707.05 and 557,111.79

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Solution

The fourth proportional to 965,023.74, 1,331,707.05 and 557,111.79 is: 768,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,023.74 : 1,331,707.05 = 557,111.79 : x
  2. Step 2: Convert to fraction form
    965,023.74/1,331,707.05 = 557,111.79/x
  3. Step 3: Cross multiply
    965,023.74x = 1,331,707.05 × 557,111.79
  4. Step 4: Simplify right side
    965,023.74x = 741,909,698,381.12
  5. Step 5: Solve for x
    x = 741,909,698,381.12/965,023.74
  6. Step 6: Final answer
    x = 768,799.43

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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.