Home / 869,011.69-1,303,877.64-469,182.53

Finding the Fourth Proportional to 869,011.69, 1,303,877.64 and 469,182.53

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Solution

The fourth proportional to 869,011.69, 1,303,877.64 and 469,182.53 is: 703,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,011.69 : 1,303,877.64 = 469,182.53 : x
  2. Step 2: Convert to fraction form
    869,011.69/1,303,877.64 = 469,182.53/x
  3. Step 3: Cross multiply
    869,011.69x = 1,303,877.64 × 469,182.53
  4. Step 4: Simplify right side
    869,011.69x = 611,756,609,945.63
  5. Step 5: Solve for x
    x = 611,756,609,945.63/869,011.69
  6. Step 6: Final answer
    x = 703,968.22

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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.