Home / 913,137.28-1,368,807.36-533,576.32

Finding the Fourth Proportional to 913,137.28, 1,368,807.36 and 533,576.32

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Solution

The fourth proportional to 913,137.28, 1,368,807.36 and 533,576.32 is: 799,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,137.28 : 1,368,807.36 = 533,576.32 : x
  2. Step 2: Convert to fraction form
    913,137.28/1,368,807.36 = 533,576.32/x
  3. Step 3: Cross multiply
    913,137.28x = 1,368,807.36 × 533,576.32
  4. Step 4: Simplify right side
    913,137.28x = 730,363,193,937.72
  5. Step 5: Solve for x
    x = 730,363,193,937.72/913,137.28
  6. Step 6: Final answer
    x = 799,839.42

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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.