Home / 930,672.40-1,396,008.60-611,807.80

Finding the Fourth Proportional to 930,672.40, 1,396,008.60 and 611,807.80

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Solution

The fourth proportional to 930,672.40, 1,396,008.60 and 611,807.80 is: 917,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,672.40 : 1,396,008.60 = 611,807.80 : x
  2. Step 2: Convert to fraction form
    930,672.40/1,396,008.60 = 611,807.80/x
  3. Step 3: Cross multiply
    930,672.40x = 1,396,008.60 × 611,807.80
  4. Step 4: Simplify right side
    930,672.40x = 854,088,950,347.08
  5. Step 5: Solve for x
    x = 854,088,950,347.08/930,672.40
  6. Step 6: Final answer
    x = 917,711.70

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Similar ratio
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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.