Home / 856,606.76-1,284,913.02-216,910.19

Finding the Fourth Proportional to 856,606.76, 1,284,913.02 and 216,910.19

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Solution

The fourth proportional to 856,606.76, 1,284,913.02 and 216,910.19 is: 325,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,606.76 : 1,284,913.02 = 216,910.19 : x
  2. Step 2: Convert to fraction form
    856,606.76/1,284,913.02 = 216,910.19/x
  3. Step 3: Cross multiply
    856,606.76x = 1,284,913.02 × 216,910.19
  4. Step 4: Simplify right side
    856,606.76x = 278,710,720,877.11
  5. Step 5: Solve for x
    x = 278,710,720,877.11/856,606.76
  6. Step 6: Final answer
    x = 325,366.01

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1.5x scale

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.