Home / 855,761.19-1,180,868.67-511,528.77

Finding the Fourth Proportional to 855,761.19, 1,180,868.67 and 511,528.77

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Solution

The fourth proportional to 855,761.19, 1,180,868.67 and 511,528.77 is: 705,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,761.19 : 1,180,868.67 = 511,528.77 : x
  2. Step 2: Convert to fraction form
    855,761.19/1,180,868.67 = 511,528.77/x
  3. Step 3: Cross multiply
    855,761.19x = 1,180,868.67 × 511,528.77
  4. Step 4: Simplify right side
    855,761.19x = 604,048,298,296.64
  5. Step 5: Solve for x
    x = 604,048,298,296.64/855,761.19
  6. Step 6: Final answer
    x = 705,860.82

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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.