Home / 933,757.20-1,288,567.98-525,857.40

Finding the Fourth Proportional to 933,757.20, 1,288,567.98 and 525,857.40

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Solution

The fourth proportional to 933,757.20, 1,288,567.98 and 525,857.40 is: 725,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,757.20 : 1,288,567.98 = 525,857.40 : x
  2. Step 2: Convert to fraction form
    933,757.20/1,288,567.98 = 525,857.40/x
  3. Step 3: Cross multiply
    933,757.20x = 1,288,567.98 × 525,857.40
  4. Step 4: Simplify right side
    933,757.20x = 677,603,007,686.05
  5. Step 5: Solve for x
    x = 677,603,007,686.05/933,757.20
  6. Step 6: Final answer
    x = 725,673.66

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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.