Home / 832,505.53-1,149,079.66-470,141.50

Finding the Fourth Proportional to 832,505.53, 1,149,079.66 and 470,141.50

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Solution

The fourth proportional to 832,505.53, 1,149,079.66 and 470,141.50 is: 648,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,505.53 : 1,149,079.66 = 470,141.50 : x
  2. Step 2: Convert to fraction form
    832,505.53/1,149,079.66 = 470,141.50/x
  3. Step 3: Cross multiply
    832,505.53x = 1,149,079.66 × 470,141.50
  4. Step 4: Simplify right side
    832,505.53x = 540,230,034,971.89
  5. Step 5: Solve for x
    x = 540,230,034,971.89/832,505.53
  6. Step 6: Final answer
    x = 648,920.66

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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.