Home / 530,021.40-794,513.70-214,056.60

Finding the Fourth Proportional to 530,021.40, 794,513.70 and 214,056.60

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Solution

The fourth proportional to 530,021.40, 794,513.70 and 214,056.60 is: 320,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,021.40 : 794,513.70 = 214,056.60 : x
  2. Step 2: Convert to fraction form
    530,021.40/794,513.70 = 214,056.60/x
  3. Step 3: Cross multiply
    530,021.40x = 794,513.70 × 214,056.60
  4. Step 4: Simplify right side
    530,021.40x = 170,070,901,275.42
  5. Step 5: Solve for x
    x = 170,070,901,275.42/530,021.40
  6. Step 6: Final answer
    x = 320,875.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.