Home / 1,091,384.35-1,637,000.29-408,141.18

Finding the Fourth Proportional to 1,091,384.35, 1,637,000.29 and 408,141.18

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Solution

The fourth proportional to 1,091,384.35, 1,637,000.29 and 408,141.18 is: 612,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,384.35 : 1,637,000.29 = 408,141.18 : x
  2. Step 2: Convert to fraction form
    1,091,384.35/1,637,000.29 = 408,141.18/x
  3. Step 3: Cross multiply
    1,091,384.35x = 1,637,000.29 × 408,141.18
  4. Step 4: Simplify right side
    1,091,384.35x = 668,127,230,020.94
  5. Step 5: Solve for x
    x = 668,127,230,020.94/1,091,384.35
  6. Step 6: Final answer
    x = 612,183.26

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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.