Home / 833,688.21-1,150,511.13-511,576.32

Finding the Fourth Proportional to 833,688.21, 1,150,511.13 and 511,576.32

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Solution

The fourth proportional to 833,688.21, 1,150,511.13 and 511,576.32 is: 705,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,688.21 : 1,150,511.13 = 511,576.32 : x
  2. Step 2: Convert to fraction form
    833,688.21/1,150,511.13 = 511,576.32/x
  3. Step 3: Cross multiply
    833,688.21x = 1,150,511.13 × 511,576.32
  4. Step 4: Simplify right side
    833,688.21x = 588,574,250,004.44
  5. Step 5: Solve for x
    x = 588,574,250,004.44/833,688.21
  6. Step 6: Final answer
    x = 705,988.45

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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.