Home / 674,056.42-929,770.68-512,557.40

Finding the Fourth Proportional to 674,056.42, 929,770.68 and 512,557.40

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Solution

The fourth proportional to 674,056.42, 929,770.68 and 512,557.40 is: 707,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,056.42 : 929,770.68 = 512,557.40 : x
  2. Step 2: Convert to fraction form
    674,056.42/929,770.68 = 512,557.40/x
  3. Step 3: Cross multiply
    674,056.42x = 929,770.68 × 512,557.40
  4. Step 4: Simplify right side
    674,056.42x = 476,560,842,337.03
  5. Step 5: Solve for x
    x = 476,560,842,337.03/674,056.42
  6. Step 6: Final answer
    x = 707,004.39

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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.