Home / 809,434.84-1,117,021.95-446,858.95

Finding the Fourth Proportional to 809,434.84, 1,117,021.95 and 446,858.95

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Solution

The fourth proportional to 809,434.84, 1,117,021.95 and 446,858.95 is: 616,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,434.84 : 1,117,021.95 = 446,858.95 : x
  2. Step 2: Convert to fraction form
    809,434.84/1,117,021.95 = 446,858.95/x
  3. Step 3: Cross multiply
    809,434.84x = 1,117,021.95 × 446,858.95
  4. Step 4: Simplify right side
    809,434.84x = 499,151,255,703.95
  5. Step 5: Solve for x
    x = 499,151,255,703.95/809,434.84
  6. Step 6: Final answer
    x = 616,666.38

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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.