Home / 685,622.16-1,028,827.05-535,440.87

Finding the Fourth Proportional to 685,622.16, 1,028,827.05 and 535,440.87

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Solution

The fourth proportional to 685,622.16, 1,028,827.05 and 535,440.87 is: 803,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,622.16 : 1,028,827.05 = 535,440.87 : x
  2. Step 2: Convert to fraction form
    685,622.16/1,028,827.05 = 535,440.87/x
  3. Step 3: Cross multiply
    685,622.16x = 1,028,827.05 × 535,440.87
  4. Step 4: Simplify right side
    685,622.16x = 550,876,050,731.53
  5. Step 5: Solve for x
    x = 550,876,050,731.53/685,622.16
  6. Step 6: Final answer
    x = 803,468.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.