Home / 580,623.40-869,768.70-403,330.60

Finding the Fourth Proportional to 580,623.40, 869,768.70 and 403,330.60

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Solution

The fourth proportional to 580,623.40, 869,768.70 and 403,330.60 is: 604,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,623.40 : 869,768.70 = 403,330.60 : x
  2. Step 2: Convert to fraction form
    580,623.40/869,768.70 = 403,330.60/x
  3. Step 3: Cross multiply
    580,623.40x = 869,768.70 × 403,330.60
  4. Step 4: Simplify right side
    580,623.40x = 350,804,331,632.22
  5. Step 5: Solve for x
    x = 350,804,331,632.22/580,623.40
  6. Step 6: Final answer
    x = 604,185.66

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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.