Home / 589,788.15-812,223.12-531,145.56

Finding the Fourth Proportional to 589,788.15, 812,223.12 and 531,145.56

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Solution

The fourth proportional to 589,788.15, 812,223.12 and 531,145.56 is: 731,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,788.15 : 812,223.12 = 531,145.56 : x
  2. Step 2: Convert to fraction form
    589,788.15/812,223.12 = 531,145.56/x
  3. Step 3: Cross multiply
    589,788.15x = 812,223.12 × 531,145.56
  4. Step 4: Simplify right side
    589,788.15x = 431,408,703,917.35
  5. Step 5: Solve for x
    x = 431,408,703,917.35/589,788.15
  6. Step 6: Final answer
    x = 731,463.84

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Double scale
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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.