Home / 525,931.56-725,608.26-299,416.68

Finding the Fourth Proportional to 525,931.56, 725,608.26 and 299,416.68

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Solution

The fourth proportional to 525,931.56, 725,608.26 and 299,416.68 is: 413,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,931.56 : 725,608.26 = 299,416.68 : x
  2. Step 2: Convert to fraction form
    525,931.56/725,608.26 = 299,416.68/x
  3. Step 3: Cross multiply
    525,931.56x = 725,608.26 × 299,416.68
  4. Step 4: Simplify right side
    525,931.56x = 217,259,216,189.78
  5. Step 5: Solve for x
    x = 217,259,216,189.78/525,931.56
  6. Step 6: Final answer
    x = 413,094.08

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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.