Home / 578,220.94-797,180.35-474,475.12

Finding the Fourth Proportional to 578,220.94, 797,180.35 and 474,475.12

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Solution

The fourth proportional to 578,220.94, 797,180.35 and 474,475.12 is: 654,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,220.94 : 797,180.35 = 474,475.12 : x
  2. Step 2: Convert to fraction form
    578,220.94/797,180.35 = 474,475.12/x
  3. Step 3: Cross multiply
    578,220.94x = 797,180.35 × 474,475.12
  4. Step 4: Simplify right side
    578,220.94x = 378,242,242,227.89
  5. Step 5: Solve for x
    x = 378,242,242,227.89/578,220.94
  6. Step 6: Final answer
    x = 654,148.30

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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.