Home / 784,010.52-1,081,803.36-461,784.77

Finding the Fourth Proportional to 784,010.52, 1,081,803.36 and 461,784.77

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Solution

The fourth proportional to 784,010.52, 1,081,803.36 and 461,784.77 is: 637,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,010.52 : 1,081,803.36 = 461,784.77 : x
  2. Step 2: Convert to fraction form
    784,010.52/1,081,803.36 = 461,784.77/x
  3. Step 3: Cross multiply
    784,010.52x = 1,081,803.36 × 461,784.77
  4. Step 4: Simplify right side
    784,010.52x = 499,560,315,782.83
  5. Step 5: Solve for x
    x = 499,560,315,782.83/784,010.52
  6. Step 6: Final answer
    x = 637,185.73

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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.