Home / 964,238.39-1,330,641.54-528,650.52

Finding the Fourth Proportional to 964,238.39, 1,330,641.54 and 528,650.52

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Solution

The fourth proportional to 964,238.39, 1,330,641.54 and 528,650.52 is: 729,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,238.39 : 1,330,641.54 = 528,650.52 : x
  2. Step 2: Convert to fraction form
    964,238.39/1,330,641.54 = 528,650.52/x
  3. Step 3: Cross multiply
    964,238.39x = 1,330,641.54 × 528,650.52
  4. Step 4: Simplify right side
    964,238.39x = 703,444,346,061.71
  5. Step 5: Solve for x
    x = 703,444,346,061.71/964,238.39
  6. Step 6: Final answer
    x = 729,533.64

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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.