Home / 589,991.40-884,987.10-353,212.20

Finding the Fourth Proportional to 589,991.40, 884,987.10 and 353,212.20

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Solution

The fourth proportional to 589,991.40, 884,987.10 and 353,212.20 is: 529,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,991.40 : 884,987.10 = 353,212.20 : x
  2. Step 2: Convert to fraction form
    589,991.40/884,987.10 = 353,212.20/x
  3. Step 3: Cross multiply
    589,991.40x = 884,987.10 × 353,212.20
  4. Step 4: Simplify right side
    589,991.40x = 312,588,240,562.62
  5. Step 5: Solve for x
    x = 312,588,240,562.62/589,991.40
  6. Step 6: Final answer
    x = 529,818.30

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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.