Home / 1,016,890.73-1,403,966.60-630,116.58

Finding the Fourth Proportional to 1,016,890.73, 1,403,966.60 and 630,116.58

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Solution

The fourth proportional to 1,016,890.73, 1,403,966.60 and 630,116.58 is: 869,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,890.73 : 1,403,966.60 = 630,116.58 : x
  2. Step 2: Convert to fraction form
    1,016,890.73/1,403,966.60 = 630,116.58/x
  3. Step 3: Cross multiply
    1,016,890.73x = 1,403,966.60 × 630,116.58
  4. Step 4: Simplify right side
    1,016,890.73x = 884,662,629,275.65
  5. Step 5: Solve for x
    x = 884,662,629,275.65/1,016,890.73
  6. Step 6: Final answer
    x = 869,968.24

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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.