Home / 783,423.06-1,080,725.88-511,650.04

Finding the Fourth Proportional to 783,423.06, 1,080,725.88 and 511,650.04

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Solution

The fourth proportional to 783,423.06, 1,080,725.88 and 511,650.04 is: 705,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,423.06 : 1,080,725.88 = 511,650.04 : x
  2. Step 2: Convert to fraction form
    783,423.06/1,080,725.88 = 511,650.04/x
  3. Step 3: Cross multiply
    783,423.06x = 1,080,725.88 × 511,650.04
  4. Step 4: Simplify right side
    783,423.06x = 552,953,439,731.04
  5. Step 5: Solve for x
    x = 552,953,439,731.04/783,423.06
  6. Step 6: Final answer
    x = 705,817.16

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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.