Home / 453,156.03-678,733.25-411,307.83

Finding the Fourth Proportional to 453,156.03, 678,733.25 and 411,307.83

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Solution

The fourth proportional to 453,156.03, 678,733.25 and 411,307.83 is: 616,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,156.03 : 678,733.25 = 411,307.83 : x
  2. Step 2: Convert to fraction form
    453,156.03/678,733.25 = 411,307.83/x
  3. Step 3: Cross multiply
    453,156.03x = 678,733.25 × 411,307.83
  4. Step 4: Simplify right side
    453,156.03x = 279,168,298,149.81
  5. Step 5: Solve for x
    x = 279,168,298,149.81/453,156.03
  6. Step 6: Final answer
    x = 616,053.37

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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.