Home / 525,942.40-788,913.60-193,475.20

Finding the Fourth Proportional to 525,942.40, 788,913.60 and 193,475.20

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Solution

The fourth proportional to 525,942.40, 788,913.60 and 193,475.20 is: 290,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,942.40 : 788,913.60 = 193,475.20 : x
  2. Step 2: Convert to fraction form
    525,942.40/788,913.60 = 193,475.20/x
  3. Step 3: Cross multiply
    525,942.40x = 788,913.60 × 193,475.20
  4. Step 4: Simplify right side
    525,942.40x = 152,635,216,542.72
  5. Step 5: Solve for x
    x = 152,635,216,542.72/525,942.40
  6. Step 6: Final answer
    x = 290,212.80

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1.5x scale

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.