Home / 756,029.60-1,134,044.40-519,833.60

Finding the Fourth Proportional to 756,029.60, 1,134,044.40 and 519,833.60

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Solution

The fourth proportional to 756,029.60, 1,134,044.40 and 519,833.60 is: 779,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,029.60 : 1,134,044.40 = 519,833.60 : x
  2. Step 2: Convert to fraction form
    756,029.60/1,134,044.40 = 519,833.60/x
  3. Step 3: Cross multiply
    756,029.60x = 1,134,044.40 × 519,833.60
  4. Step 4: Simplify right side
    756,029.60x = 589,514,383,011.84
  5. Step 5: Solve for x
    x = 589,514,383,011.84/756,029.60
  6. Step 6: Final answer
    x = 779,750.40

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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.