Home / 589,048.40-883,572.60-543,429.20

Finding the Fourth Proportional to 589,048.40, 883,572.60 and 543,429.20

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Solution

The fourth proportional to 589,048.40, 883,572.60 and 543,429.20 is: 815,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,048.40 : 883,572.60 = 543,429.20 : x
  2. Step 2: Convert to fraction form
    589,048.40/883,572.60 = 543,429.20/x
  3. Step 3: Cross multiply
    589,048.40x = 883,572.60 × 543,429.20
  4. Step 4: Simplify right side
    589,048.40x = 480,159,151,159.92
  5. Step 5: Solve for x
    x = 480,159,151,159.92/589,048.40
  6. Step 6: Final answer
    x = 815,143.80

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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.