Home / 786,047.70-1,084,776.36-441,890.46

Finding the Fourth Proportional to 786,047.70, 1,084,776.36 and 441,890.46

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Solution

The fourth proportional to 786,047.70, 1,084,776.36 and 441,890.46 is: 609,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,047.70 : 1,084,776.36 = 441,890.46 : x
  2. Step 2: Convert to fraction form
    786,047.70/1,084,776.36 = 441,890.46/x
  3. Step 3: Cross multiply
    786,047.70x = 1,084,776.36 × 441,890.46
  4. Step 4: Simplify right side
    786,047.70x = 479,352,324,717.53
  5. Step 5: Solve for x
    x = 479,352,324,717.53/786,047.70
  6. Step 6: Final answer
    x = 609,826.00

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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.