Home / 804,417.40-1,206,971.70-410,433.40

Finding the Fourth Proportional to 804,417.40, 1,206,971.70 and 410,433.40

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Solution

The fourth proportional to 804,417.40, 1,206,971.70 and 410,433.40 is: 615,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,417.40 : 1,206,971.70 = 410,433.40 : x
  2. Step 2: Convert to fraction form
    804,417.40/1,206,971.70 = 410,433.40/x
  3. Step 3: Cross multiply
    804,417.40x = 1,206,971.70 × 410,433.40
  4. Step 4: Simplify right side
    804,417.40x = 495,381,498,534.78
  5. Step 5: Solve for x
    x = 495,381,498,534.78/804,417.40
  6. Step 6: Final answer
    x = 615,826.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.