Home / 933,607.91-1,288,501.69-525,789.48

Finding the Fourth Proportional to 933,607.91, 1,288,501.69 and 525,789.48

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Solution

The fourth proportional to 933,607.91, 1,288,501.69 and 525,789.48 is: 725,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,607.91 : 1,288,501.69 = 525,789.48 : x
  2. Step 2: Convert to fraction form
    933,607.91/1,288,501.69 = 525,789.48/x
  3. Step 3: Cross multiply
    933,607.91x = 1,288,501.69 × 525,789.48
  4. Step 4: Simplify right side
    933,607.91x = 677,480,633,564.22
  5. Step 5: Solve for x
    x = 677,480,633,564.22/933,607.91
  6. Step 6: Final answer
    x = 725,658.63

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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.