Home / 689,001.37-950,853.53-383,109.16

Finding the Fourth Proportional to 689,001.37, 950,853.53 and 383,109.16

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Solution

The fourth proportional to 689,001.37, 950,853.53 and 383,109.16 is: 528,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,001.37 : 950,853.53 = 383,109.16 : x
  2. Step 2: Convert to fraction form
    689,001.37/950,853.53 = 383,109.16/x
  3. Step 3: Cross multiply
    689,001.37x = 950,853.53 × 383,109.16
  4. Step 4: Simplify right side
    689,001.37x = 364,280,690,491.52
  5. Step 5: Solve for x
    x = 364,280,690,491.52/689,001.37
  6. Step 6: Final answer
    x = 528,708.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.