Home / 755,664.87-1,041,043.77-525,826.89

Finding the Fourth Proportional to 755,664.87, 1,041,043.77 and 525,826.89

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Solution

The fourth proportional to 755,664.87, 1,041,043.77 and 525,826.89 is: 724,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,664.87 : 1,041,043.77 = 525,826.89 : x
  2. Step 2: Convert to fraction form
    755,664.87/1,041,043.77 = 525,826.89/x
  3. Step 3: Cross multiply
    755,664.87x = 1,041,043.77 × 525,826.89
  4. Step 4: Simplify right side
    755,664.87x = 547,408,807,906.45
  5. Step 5: Solve for x
    x = 547,408,807,906.45/755,664.87
  6. Step 6: Final answer
    x = 724,406.85

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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.