Home / 579,010.08-872,459.40-476,133.60

Finding the Fourth Proportional to 579,010.08, 872,459.40 and 476,133.60

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Solution

The fourth proportional to 579,010.08, 872,459.40 and 476,133.60 is: 717,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,010.08 : 872,459.40 = 476,133.60 : x
  2. Step 2: Convert to fraction form
    579,010.08/872,459.40 = 476,133.60/x
  3. Step 3: Cross multiply
    579,010.08x = 872,459.40 × 476,133.60
  4. Step 4: Simplify right side
    579,010.08x = 415,407,234,975.84
  5. Step 5: Solve for x
    x = 415,407,234,975.84/579,010.08
  6. Step 6: Final answer
    x = 717,443.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.