Home / 921,508.59-1,271,576.72-534,243.26

Finding the Fourth Proportional to 921,508.59, 1,271,576.72 and 534,243.26

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Solution

The fourth proportional to 921,508.59, 1,271,576.72 and 534,243.26 is: 737,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,508.59 : 1,271,576.72 = 534,243.26 : x
  2. Step 2: Convert to fraction form
    921,508.59/1,271,576.72 = 534,243.26/x
  3. Step 3: Cross multiply
    921,508.59x = 1,271,576.72 × 534,243.26
  4. Step 4: Simplify right side
    921,508.59x = 679,331,299,054.10
  5. Step 5: Solve for x
    x = 679,331,299,054.10/921,508.59
  6. Step 6: Final answer
    x = 737,194.76

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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.