Home / 1,185,566.08-1,636,081-641,701.72

Finding the Fourth Proportional to 1,185,566.08, 1,636,081 and 641,701.72

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Solution

The fourth proportional to 1,185,566.08, 1,636,081 and 641,701.72 is: 885,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,566.08 : 1,636,081 = 641,701.72 : x
  2. Step 2: Convert to fraction form
    1,185,566.08/1,636,081 = 641,701.72/x
  3. Step 3: Cross multiply
    1,185,566.08x = 1,636,081 × 641,701.72
  4. Step 4: Simplify right side
    1,185,566.08x = 1,049,875,991,759.32
  5. Step 5: Solve for x
    x = 1,049,875,991,759.32/1,185,566.08
  6. Step 6: Final answer
    x = 885,548.27

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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.