Home / 876,834.48-1,314,461.88-315,474

Finding the Fourth Proportional to 876,834.48, 1,314,461.88 and 315,474

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Solution

The fourth proportional to 876,834.48, 1,314,461.88 and 315,474 is: 472,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834.48 : 1,314,461.88 = 315,474 : x
  2. Step 2: Convert to fraction form
    876,834.48/1,314,461.88 = 315,474/x
  3. Step 3: Cross multiply
    876,834.48x = 1,314,461.88 × 315,474
  4. Step 4: Simplify right side
    876,834.48x = 414,678,547,131.12
  5. Step 5: Solve for x
    x = 414,678,547,131.12/876,834.48
  6. Step 6: Final answer
    x = 472,926.83

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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.