Home / 589,037.20-883,555.80-512,054.80

Finding the Fourth Proportional to 589,037.20, 883,555.80 and 512,054.80

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Solution

The fourth proportional to 589,037.20, 883,555.80 and 512,054.80 is: 768,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,037.20 : 883,555.80 = 512,054.80 : x
  2. Step 2: Convert to fraction form
    589,037.20/883,555.80 = 512,054.80/x
  3. Step 3: Cross multiply
    589,037.20x = 883,555.80 × 512,054.80
  4. Step 4: Simplify right side
    589,037.20x = 452,428,988,457.84
  5. Step 5: Solve for x
    x = 452,428,988,457.84/589,037.20
  6. Step 6: Final answer
    x = 768,082.20

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Double scale
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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.