Home / 864,038.96-1,192,433.64-482,140.16

Finding the Fourth Proportional to 864,038.96, 1,192,433.64 and 482,140.16

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Solution

The fourth proportional to 864,038.96, 1,192,433.64 and 482,140.16 is: 665,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,038.96 : 1,192,433.64 = 482,140.16 : x
  2. Step 2: Convert to fraction form
    864,038.96/1,192,433.64 = 482,140.16/x
  3. Step 3: Cross multiply
    864,038.96x = 1,192,433.64 × 482,140.16
  4. Step 4: Simplify right side
    864,038.96x = 574,920,145,978.98
  5. Step 5: Solve for x
    x = 574,920,145,978.98/864,038.96
  6. Step 6: Final answer
    x = 665,386.83

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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.