Home / 672,063.40-1,008,095.10-620,741.80

Finding the Fourth Proportional to 672,063.40, 1,008,095.10 and 620,741.80

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Solution

The fourth proportional to 672,063.40, 1,008,095.10 and 620,741.80 is: 931,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,063.40 : 1,008,095.10 = 620,741.80 : x
  2. Step 2: Convert to fraction form
    672,063.40/1,008,095.10 = 620,741.80/x
  3. Step 3: Cross multiply
    672,063.40x = 1,008,095.10 × 620,741.80
  4. Step 4: Simplify right side
    672,063.40x = 625,766,766,945.18
  5. Step 5: Solve for x
    x = 625,766,766,945.18/672,063.40
  6. Step 6: Final answer
    x = 931,112.70

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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.