Home / 672,033.40-1,008,050.11-434,087.80

Finding the Fourth Proportional to 672,033.40, 1,008,050.11 and 434,087.80

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Solution

The fourth proportional to 672,033.40, 1,008,050.11 and 434,087.80 is: 651,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,033.40 : 1,008,050.11 = 434,087.80 : x
  2. Step 2: Convert to fraction form
    672,033.40/1,008,050.11 = 434,087.80/x
  3. Step 3: Cross multiply
    672,033.40x = 1,008,050.11 × 434,087.80
  4. Step 4: Simplify right side
    672,033.40x = 437,582,254,539.66
  5. Step 5: Solve for x
    x = 437,582,254,539.66/672,033.40
  6. Step 6: Final answer
    x = 651,131.71

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Double scale
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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.