Home / 590,619.40-885,929.10-545,000.20

Finding the Fourth Proportional to 590,619.40, 885,929.10 and 545,000.20

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Solution

The fourth proportional to 590,619.40, 885,929.10 and 545,000.20 is: 817,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,619.40 : 885,929.10 = 545,000.20 : x
  2. Step 2: Convert to fraction form
    590,619.40/885,929.10 = 545,000.20/x
  3. Step 3: Cross multiply
    590,619.40x = 885,929.10 × 545,000.20
  4. Step 4: Simplify right side
    590,619.40x = 482,831,536,685.82
  5. Step 5: Solve for x
    x = 482,831,536,685.82/590,619.40
  6. Step 6: Final answer
    x = 817,500.30

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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.