Home / 693,434.80-1,040,152.20-651,444.40

Finding the Fourth Proportional to 693,434.80, 1,040,152.20 and 651,444.40

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Solution

The fourth proportional to 693,434.80, 1,040,152.20 and 651,444.40 is: 977,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,434.80 : 1,040,152.20 = 651,444.40 : x
  2. Step 2: Convert to fraction form
    693,434.80/1,040,152.20 = 651,444.40/x
  3. Step 3: Cross multiply
    693,434.80x = 1,040,152.20 × 651,444.40
  4. Step 4: Simplify right side
    693,434.80x = 677,601,325,837.68
  5. Step 5: Solve for x
    x = 677,601,325,837.68/693,434.80
  6. Step 6: Final answer
    x = 977,166.60

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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.