Home / 1,016,893.74-1,403,970.75-630,119.58

Finding the Fourth Proportional to 1,016,893.74, 1,403,970.75 and 630,119.58

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Solution

The fourth proportional to 1,016,893.74, 1,403,970.75 and 630,119.58 is: 869,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,893.74 : 1,403,970.75 = 630,119.58 : x
  2. Step 2: Convert to fraction form
    1,016,893.74/1,403,970.75 = 630,119.58/x
  3. Step 3: Cross multiply
    1,016,893.74x = 1,403,970.75 × 630,119.58
  4. Step 4: Simplify right side
    1,016,893.74x = 884,669,459,322.29
  5. Step 5: Solve for x
    x = 884,669,459,322.29/1,016,893.74
  6. Step 6: Final answer
    x = 869,972.37

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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.