Home / 865,223.24-1,193,995.62-483,255.56

Finding the Fourth Proportional to 865,223.24, 1,193,995.62 and 483,255.56

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Solution

The fourth proportional to 865,223.24, 1,193,995.62 and 483,255.56 is: 666,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,223.24 : 1,193,995.62 = 483,255.56 : x
  2. Step 2: Convert to fraction form
    865,223.24/1,193,995.62 = 483,255.56/x
  3. Step 3: Cross multiply
    865,223.24x = 1,193,995.62 × 483,255.56
  4. Step 4: Simplify right side
    865,223.24x = 577,005,021,980.65
  5. Step 5: Solve for x
    x = 577,005,021,980.65/865,223.24
  6. Step 6: Final answer
    x = 666,885.72

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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.