Home / 619,130.04-854,409.24-347,258.40

Finding the Fourth Proportional to 619,130.04, 854,409.24 and 347,258.40

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Solution

The fourth proportional to 619,130.04, 854,409.24 and 347,258.40 is: 479,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,130.04 : 854,409.24 = 347,258.40 : x
  2. Step 2: Convert to fraction form
    619,130.04/854,409.24 = 347,258.40/x
  3. Step 3: Cross multiply
    619,130.04x = 854,409.24 × 347,258.40
  4. Step 4: Simplify right side
    619,130.04x = 296,700,785,627.62
  5. Step 5: Solve for x
    x = 296,700,785,627.62/619,130.04
  6. Step 6: Final answer
    x = 479,222.08

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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.