Home / 880,133.08-1,213,554.92-816,360.16

Finding the Fourth Proportional to 880,133.08, 1,213,554.92 and 816,360.16

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Solution

The fourth proportional to 880,133.08, 1,213,554.92 and 816,360.16 is: 1,125,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,133.08 : 1,213,554.92 = 816,360.16 : x
  2. Step 2: Convert to fraction form
    880,133.08/1,213,554.92 = 816,360.16/x
  3. Step 3: Cross multiply
    880,133.08x = 1,213,554.92 × 816,360.16
  4. Step 4: Simplify right side
    880,133.08x = 990,697,888,659.99
  5. Step 5: Solve for x
    x = 990,697,888,659.99/880,133.08
  6. Step 6: Final answer
    x = 1,125,622.83

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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.