Home / 938,676.56-1,295,293.56-530,758.40

Finding the Fourth Proportional to 938,676.56, 1,295,293.56 and 530,758.40

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Solution

The fourth proportional to 938,676.56, 1,295,293.56 and 530,758.40 is: 732,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,676.56 : 1,295,293.56 = 530,758.40 : x
  2. Step 2: Convert to fraction form
    938,676.56/1,295,293.56 = 530,758.40/x
  3. Step 3: Cross multiply
    938,676.56x = 1,295,293.56 × 530,758.40
  4. Step 4: Simplify right side
    938,676.56x = 687,487,937,435.90
  5. Step 5: Solve for x
    x = 687,487,937,435.90/938,676.56
  6. Step 6: Final answer
    x = 732,401.30

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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.