Home / 933,538.50-1,288,206.54-525,509.91

Finding the Fourth Proportional to 933,538.50, 1,288,206.54 and 525,509.91

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Solution

The fourth proportional to 933,538.50, 1,288,206.54 and 525,509.91 is: 725,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,538.50 : 1,288,206.54 = 525,509.91 : x
  2. Step 2: Convert to fraction form
    933,538.50/1,288,206.54 = 525,509.91/x
  3. Step 3: Cross multiply
    933,538.50x = 1,288,206.54 × 525,509.91
  4. Step 4: Simplify right side
    933,538.50x = 676,965,302,896.81
  5. Step 5: Solve for x
    x = 676,965,302,896.81/933,538.50
  6. Step 6: Final answer
    x = 725,160.56

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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.