Home / 1,009,514.80-1,514,272.20-636,266.80

Finding the Fourth Proportional to 1,009,514.80, 1,514,272.20 and 636,266.80

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Solution

The fourth proportional to 1,009,514.80, 1,514,272.20 and 636,266.80 is: 954,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,514.80 : 1,514,272.20 = 636,266.80 : x
  2. Step 2: Convert to fraction form
    1,009,514.80/1,514,272.20 = 636,266.80/x
  3. Step 3: Cross multiply
    1,009,514.80x = 1,514,272.20 × 636,266.80
  4. Step 4: Simplify right side
    1,009,514.80x = 963,481,127,022.96
  5. Step 5: Solve for x
    x = 963,481,127,022.96/1,009,514.80
  6. Step 6: Final answer
    x = 954,400.20

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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.