Home / 568,723.67-784,478.21-432,458.89

Finding the Fourth Proportional to 568,723.67, 784,478.21 and 432,458.89

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Solution

The fourth proportional to 568,723.67, 784,478.21 and 432,458.89 is: 596,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,723.67 : 784,478.21 = 432,458.89 : x
  2. Step 2: Convert to fraction form
    568,723.67/784,478.21 = 432,458.89/x
  3. Step 3: Cross multiply
    568,723.67x = 784,478.21 × 432,458.89
  4. Step 4: Simplify right side
    568,723.67x = 339,254,575,925.79
  5. Step 5: Solve for x
    x = 339,254,575,925.79/568,723.67
  6. Step 6: Final answer
    x = 596,519.18

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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.