Home / 850,051.44-1,173,120.12-487,472.40

Finding the Fourth Proportional to 850,051.44, 1,173,120.12 and 487,472.40

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Solution

The fourth proportional to 850,051.44, 1,173,120.12 and 487,472.40 is: 672,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,051.44 : 1,173,120.12 = 487,472.40 : x
  2. Step 2: Convert to fraction form
    850,051.44/1,173,120.12 = 487,472.40/x
  3. Step 3: Cross multiply
    850,051.44x = 1,173,120.12 × 487,472.40
  4. Step 4: Simplify right side
    850,051.44x = 571,863,680,384.69
  5. Step 5: Solve for x
    x = 571,863,680,384.69/850,051.44
  6. Step 6: Final answer
    x = 672,740.09

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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.