Home / 869,010.69-1,303,876.14-469,181.53

Finding the Fourth Proportional to 869,010.69, 1,303,876.14 and 469,181.53

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Solution

The fourth proportional to 869,010.69, 1,303,876.14 and 469,181.53 is: 703,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,010.69 : 1,303,876.14 = 469,181.53 : x
  2. Step 2: Convert to fraction form
    869,010.69/1,303,876.14 = 469,181.53/x
  3. Step 3: Cross multiply
    869,010.69x = 1,303,876.14 × 469,181.53
  4. Step 4: Simplify right side
    869,010.69x = 611,754,602,166.11
  5. Step 5: Solve for x
    x = 611,754,602,166.11/869,010.69
  6. Step 6: Final answer
    x = 703,966.71

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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.