Home / 821,454.32-1,133,604.14-453,921.25

Finding the Fourth Proportional to 821,454.32, 1,133,604.14 and 453,921.25

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Solution

The fourth proportional to 821,454.32, 1,133,604.14 and 453,921.25 is: 626,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,454.32 : 1,133,604.14 = 453,921.25 : x
  2. Step 2: Convert to fraction form
    821,454.32/1,133,604.14 = 453,921.25/x
  3. Step 3: Cross multiply
    821,454.32x = 1,133,604.14 × 453,921.25
  4. Step 4: Simplify right side
    821,454.32x = 514,567,006,534.77
  5. Step 5: Solve for x
    x = 514,567,006,534.77/821,454.32
  6. Step 6: Final answer
    x = 626,409.76

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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.