Home / 832,658.45-1,149,004.52-470,118.09

Finding the Fourth Proportional to 832,658.45, 1,149,004.52 and 470,118.09

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Solution

The fourth proportional to 832,658.45, 1,149,004.52 and 470,118.09 is: 648,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,658.45 : 1,149,004.52 = 470,118.09 : x
  2. Step 2: Convert to fraction form
    832,658.45/1,149,004.52 = 470,118.09/x
  3. Step 3: Cross multiply
    832,658.45x = 1,149,004.52 × 470,118.09
  4. Step 4: Simplify right side
    832,658.45x = 540,167,810,870.27
  5. Step 5: Solve for x
    x = 540,167,810,870.27/832,658.45
  6. Step 6: Final answer
    x = 648,726.75

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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.