Home / 558,769.64-771,099.90-304,122.92

Finding the Fourth Proportional to 558,769.64, 771,099.90 and 304,122.92

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Solution

The fourth proportional to 558,769.64, 771,099.90 and 304,122.92 is: 419,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,769.64 : 771,099.90 = 304,122.92 : x
  2. Step 2: Convert to fraction form
    558,769.64/771,099.90 = 304,122.92/x
  3. Step 3: Cross multiply
    558,769.64x = 771,099.90 × 304,122.92
  4. Step 4: Simplify right side
    558,769.64x = 234,509,153,199.71
  5. Step 5: Solve for x
    x = 234,509,153,199.71/558,769.64
  6. Step 6: Final answer
    x = 419,688.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.