Home / 850,881.12-1,174,240.53-468,932.49

Finding the Fourth Proportional to 850,881.12, 1,174,240.53 and 468,932.49

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Solution

The fourth proportional to 850,881.12, 1,174,240.53 and 468,932.49 is: 647,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,881.12 : 1,174,240.53 = 468,932.49 : x
  2. Step 2: Convert to fraction form
    850,881.12/1,174,240.53 = 468,932.49/x
  3. Step 3: Cross multiply
    850,881.12x = 1,174,240.53 × 468,932.49
  4. Step 4: Simplify right side
    850,881.12x = 550,639,535,591.82
  5. Step 5: Solve for x
    x = 550,639,535,591.82/850,881.12
  6. Step 6: Final answer
    x = 647,140.39

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1.5x scale

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.