Home / 811,503.52-1,217,777.52-437,784.48

Finding the Fourth Proportional to 811,503.52, 1,217,777.52 and 437,784.48

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Solution

The fourth proportional to 811,503.52, 1,217,777.52 and 437,784.48 is: 656,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,503.52 : 1,217,777.52 = 437,784.48 : x
  2. Step 2: Convert to fraction form
    811,503.52/1,217,777.52 = 437,784.48/x
  3. Step 3: Cross multiply
    811,503.52x = 1,217,777.52 × 437,784.48
  4. Step 4: Simplify right side
    811,503.52x = 533,124,098,348.89
  5. Step 5: Solve for x
    x = 533,124,098,348.89/811,503.52
  6. Step 6: Final answer
    x = 656,958.45

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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.