Home / 529,416.09-730,091.34-348,281.46

Finding the Fourth Proportional to 529,416.09, 730,091.34 and 348,281.46

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Solution

The fourth proportional to 529,416.09, 730,091.34 and 348,281.46 is: 480,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,416.09 : 730,091.34 = 348,281.46 : x
  2. Step 2: Convert to fraction form
    529,416.09/730,091.34 = 348,281.46/x
  3. Step 3: Cross multiply
    529,416.09x = 730,091.34 × 348,281.46
  4. Step 4: Simplify right side
    529,416.09x = 254,277,277,828.56
  5. Step 5: Solve for x
    x = 254,277,277,828.56/529,416.09
  6. Step 6: Final answer
    x = 480,297.60

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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.