Home / 1,091,606.40-1,637,332.85-408,362.89

Finding the Fourth Proportional to 1,091,606.40, 1,637,332.85 and 408,362.89

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Solution

The fourth proportional to 1,091,606.40, 1,637,332.85 and 408,362.89 is: 612,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,606.40 : 1,637,332.85 = 408,362.89 : x
  2. Step 2: Convert to fraction form
    1,091,606.40/1,637,332.85 = 408,362.89/x
  3. Step 3: Cross multiply
    1,091,606.40x = 1,637,332.85 × 408,362.89
  4. Step 4: Simplify right side
    1,091,606.40x = 668,625,974,517.94
  5. Step 5: Solve for x
    x = 668,625,974,517.94/1,091,606.40
  6. Step 6: Final answer
    x = 612,515.62

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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.