Home / 834,047.58-1,151,108.64-528,151.89

Finding the Fourth Proportional to 834,047.58, 1,151,108.64 and 528,151.89

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Solution

The fourth proportional to 834,047.58, 1,151,108.64 and 528,151.89 is: 728,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,047.58 : 1,151,108.64 = 528,151.89 : x
  2. Step 2: Convert to fraction form
    834,047.58/1,151,108.64 = 528,151.89/x
  3. Step 3: Cross multiply
    834,047.58x = 1,151,108.64 × 528,151.89
  4. Step 4: Simplify right side
    834,047.58x = 607,960,203,811.33
  5. Step 5: Solve for x
    x = 607,960,203,811.33/834,047.58
  6. Step 6: Final answer
    x = 728,927.48

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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.