Home / 867,703.94-1,197,289.10-545,185.69

Finding the Fourth Proportional to 867,703.94, 1,197,289.10 and 545,185.69

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Solution

The fourth proportional to 867,703.94, 1,197,289.10 and 545,185.69 is: 752,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,703.94 : 1,197,289.10 = 545,185.69 : x
  2. Step 2: Convert to fraction form
    867,703.94/1,197,289.10 = 545,185.69/x
  3. Step 3: Cross multiply
    867,703.94x = 1,197,289.10 × 545,185.69
  4. Step 4: Simplify right side
    867,703.94x = 652,744,879,416.05
  5. Step 5: Solve for x
    x = 652,744,879,416.05/867,703.94
  6. Step 6: Final answer
    x = 752,266.81

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Double scale
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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.