Home / 832,504.53-1,149,078.28-470,140.50

Finding the Fourth Proportional to 832,504.53, 1,149,078.28 and 470,140.50

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Solution

The fourth proportional to 832,504.53, 1,149,078.28 and 470,140.50 is: 648,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,504.53 : 1,149,078.28 = 470,140.50 : x
  2. Step 2: Convert to fraction form
    832,504.53/1,149,078.28 = 470,140.50/x
  3. Step 3: Cross multiply
    832,504.53x = 1,149,078.28 × 470,140.50
  4. Step 4: Simplify right side
    832,504.53x = 540,228,237,098.34
  5. Step 5: Solve for x
    x = 540,228,237,098.34/832,504.53
  6. Step 6: Final answer
    x = 648,919.28

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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.