Home / 938,604.64-1,295,301.72-530,697.72

Finding the Fourth Proportional to 938,604.64, 1,295,301.72 and 530,697.72

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Solution

The fourth proportional to 938,604.64, 1,295,301.72 and 530,697.72 is: 732,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,604.64 : 1,295,301.72 = 530,697.72 : x
  2. Step 2: Convert to fraction form
    938,604.64/1,295,301.72 = 530,697.72/x
  3. Step 3: Cross multiply
    938,604.64x = 1,295,301.72 × 530,697.72
  4. Step 4: Simplify right side
    938,604.64x = 687,413,669,516.08
  5. Step 5: Solve for x
    x = 687,413,669,516.08/938,604.64
  6. Step 6: Final answer
    x = 732,378.30

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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.