Home / 944,122.30-1,416,182.16-438,406.74

Finding the Fourth Proportional to 944,122.30, 1,416,182.16 and 438,406.74

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Solution

The fourth proportional to 944,122.30, 1,416,182.16 and 438,406.74 is: 657,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,122.30 : 1,416,182.16 = 438,406.74 : x
  2. Step 2: Convert to fraction form
    944,122.30/1,416,182.16 = 438,406.74/x
  3. Step 3: Cross multiply
    944,122.30x = 1,416,182.16 × 438,406.74
  4. Step 4: Simplify right side
    944,122.30x = 620,863,804,011.76
  5. Step 5: Solve for x
    x = 620,863,804,011.76/944,122.30
  6. Step 6: Final answer
    x = 657,609.51

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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.