Home / 525,029.76-723,016.26-456,087.60

Finding the Fourth Proportional to 525,029.76, 723,016.26 and 456,087.60

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Solution

The fourth proportional to 525,029.76, 723,016.26 and 456,087.60 is: 628,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,029.76 : 723,016.26 = 456,087.60 : x
  2. Step 2: Convert to fraction form
    525,029.76/723,016.26 = 456,087.60/x
  3. Step 3: Cross multiply
    525,029.76x = 723,016.26 × 456,087.60
  4. Step 4: Simplify right side
    525,029.76x = 329,758,750,784.38
  5. Step 5: Solve for x
    x = 329,758,750,784.38/525,029.76
  6. Step 6: Final answer
    x = 628,076.30

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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.