Home / 593,857.40-890,786.10-520,129.40

Finding the Fourth Proportional to 593,857.40, 890,786.10 and 520,129.40

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Solution

The fourth proportional to 593,857.40, 890,786.10 and 520,129.40 is: 780,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,857.40 : 890,786.10 = 520,129.40 : x
  2. Step 2: Convert to fraction form
    593,857.40/890,786.10 = 520,129.40/x
  3. Step 3: Cross multiply
    593,857.40x = 890,786.10 × 520,129.40
  4. Step 4: Simplify right side
    593,857.40x = 463,324,039,721.34
  5. Step 5: Solve for x
    x = 463,324,039,721.34/593,857.40
  6. Step 6: Final answer
    x = 780,194.10

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Half scale
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Double scale
Find fourth proportional to 593,858.40, 890,787.60 and 520,130.40
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.