Home / 867,245.36-1,300,868.04-571,688.24

Finding the Fourth Proportional to 867,245.36, 1,300,868.04 and 571,688.24

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Solution

The fourth proportional to 867,245.36, 1,300,868.04 and 571,688.24 is: 857,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,245.36 : 1,300,868.04 = 571,688.24 : x
  2. Step 2: Convert to fraction form
    867,245.36/1,300,868.04 = 571,688.24/x
  3. Step 3: Cross multiply
    867,245.36x = 1,300,868.04 × 571,688.24
  4. Step 4: Simplify right side
    867,245.36x = 743,690,960,259.85
  5. Step 5: Solve for x
    x = 743,690,960,259.85/867,245.36
  6. Step 6: Final answer
    x = 857,532.36

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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.