Home / 965,329.12-1,448,078.78-358,124.47

Finding the Fourth Proportional to 965,329.12, 1,448,078.78 and 358,124.47

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Solution

The fourth proportional to 965,329.12, 1,448,078.78 and 358,124.47 is: 537,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,329.12 : 1,448,078.78 = 358,124.47 : x
  2. Step 2: Convert to fraction form
    965,329.12/1,448,078.78 = 358,124.47/x
  3. Step 3: Cross multiply
    965,329.12x = 1,448,078.78 × 358,124.47
  4. Step 4: Simplify right side
    965,329.12x = 518,592,441,985.55
  5. Step 5: Solve for x
    x = 518,592,441,985.55/965,329.12
  6. Step 6: Final answer
    x = 537,218.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.