Home / 977,412.80-1,467,431.40-623,118.80

Finding the Fourth Proportional to 977,412.80, 1,467,431.40 and 623,118.80

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Solution

The fourth proportional to 977,412.80, 1,467,431.40 and 623,118.80 is: 935,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,412.80 : 1,467,431.40 = 623,118.80 : x
  2. Step 2: Convert to fraction form
    977,412.80/1,467,431.40 = 623,118.80/x
  3. Step 3: Cross multiply
    977,412.80x = 1,467,431.40 × 623,118.80
  4. Step 4: Simplify right side
    977,412.80x = 914,384,093,050.32
  5. Step 5: Solve for x
    x = 914,384,093,050.32/977,412.80
  6. Step 6: Final answer
    x = 935,514.75

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Double scale
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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.