Home / 816,551.91-1,126,879.02-454,012.92

Finding the Fourth Proportional to 816,551.91, 1,126,879.02 and 454,012.92

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Solution

The fourth proportional to 816,551.91, 1,126,879.02 and 454,012.92 is: 626,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,551.91 : 1,126,879.02 = 454,012.92 : x
  2. Step 2: Convert to fraction form
    816,551.91/1,126,879.02 = 454,012.92/x
  3. Step 3: Cross multiply
    816,551.91x = 1,126,879.02 × 454,012.92
  4. Step 4: Simplify right side
    816,551.91x = 511,617,634,356.94
  5. Step 5: Solve for x
    x = 511,617,634,356.94/816,551.91
  6. Step 6: Final answer
    x = 626,558.62

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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.