Home / 1,185,368.01-1,635,812.02-641,503.64

Finding the Fourth Proportional to 1,185,368.01, 1,635,812.02 and 641,503.64

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Solution

The fourth proportional to 1,185,368.01, 1,635,812.02 and 641,503.64 is: 885,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,368.01 : 1,635,812.02 = 641,503.64 : x
  2. Step 2: Convert to fraction form
    1,185,368.01/1,635,812.02 = 641,503.64/x
  3. Step 3: Cross multiply
    1,185,368.01x = 1,635,812.02 × 641,503.64
  4. Step 4: Simplify right side
    1,185,368.01x = 1,049,379,357,808.57
  5. Step 5: Solve for x
    x = 1,049,379,357,808.57/1,185,368.01
  6. Step 6: Final answer
    x = 885,277.27

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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.