Home / 528,836.45-793,569.88-191,903.39

Finding the Fourth Proportional to 528,836.45, 793,569.88 and 191,903.39

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Solution

The fourth proportional to 528,836.45, 793,569.88 and 191,903.39 is: 287,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,836.45 : 793,569.88 = 191,903.39 : x
  2. Step 2: Convert to fraction form
    528,836.45/793,569.88 = 191,903.39/x
  3. Step 3: Cross multiply
    528,836.45x = 793,569.88 × 191,903.39
  4. Step 4: Simplify right side
    528,836.45x = 152,288,750,173.89
  5. Step 5: Solve for x
    x = 152,288,750,173.89/528,836.45
  6. Step 6: Final answer
    x = 287,969.47

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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.