Home / 675,065.80-1,011,432.30-570,089.80

Finding the Fourth Proportional to 675,065.80, 1,011,432.30 and 570,089.80

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Solution

The fourth proportional to 675,065.80, 1,011,432.30 and 570,089.80 is: 854,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,065.80 : 1,011,432.30 = 570,089.80 : x
  2. Step 2: Convert to fraction form
    675,065.80/1,011,432.30 = 570,089.80/x
  3. Step 3: Cross multiply
    675,065.80x = 1,011,432.30 × 570,089.80
  4. Step 4: Simplify right side
    675,065.80x = 576,607,237,620.54
  5. Step 5: Solve for x
    x = 576,607,237,620.54/675,065.80
  6. Step 6: Final answer
    x = 854,149.68

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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.