Home / 965,633.58-1,331,648.64-578,387.16

Finding the Fourth Proportional to 965,633.58, 1,331,648.64 and 578,387.16

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Solution

The fourth proportional to 965,633.58, 1,331,648.64 and 578,387.16 is: 797,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,633.58 : 1,331,648.64 = 578,387.16 : x
  2. Step 2: Convert to fraction form
    965,633.58/1,331,648.64 = 578,387.16/x
  3. Step 3: Cross multiply
    965,633.58x = 1,331,648.64 × 578,387.16
  4. Step 4: Simplify right side
    965,633.58x = 770,208,475,007.46
  5. Step 5: Solve for x
    x = 770,208,475,007.46/965,633.58
  6. Step 6: Final answer
    x = 797,619.81

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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.