Home / 589,047.40-883,571.10-543,428.20

Finding the Fourth Proportional to 589,047.40, 883,571.10 and 543,428.20

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Solution

The fourth proportional to 589,047.40, 883,571.10 and 543,428.20 is: 815,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,047.40 : 883,571.10 = 543,428.20 : x
  2. Step 2: Convert to fraction form
    589,047.40/883,571.10 = 543,428.20/x
  3. Step 3: Cross multiply
    589,047.40x = 883,571.10 × 543,428.20
  4. Step 4: Simplify right side
    589,047.40x = 480,157,452,445.02
  5. Step 5: Solve for x
    x = 480,157,452,445.02/589,047.40
  6. Step 6: Final answer
    x = 815,142.30

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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.