Home / 1,016,886.30-1,403,960.46-630,112.15

Finding the Fourth Proportional to 1,016,886.30, 1,403,960.46 and 630,112.15

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Solution

The fourth proportional to 1,016,886.30, 1,403,960.46 and 630,112.15 is: 869,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,886.30 : 1,403,960.46 = 630,112.15 : x
  2. Step 2: Convert to fraction form
    1,016,886.30/1,403,960.46 = 630,112.15/x
  3. Step 3: Cross multiply
    1,016,886.30x = 1,403,960.46 × 630,112.15
  4. Step 4: Simplify right side
    1,016,886.30x = 884,652,543,357.62
  5. Step 5: Solve for x
    x = 884,652,543,357.62/1,016,886.30
  6. Step 6: Final answer
    x = 869,962.11

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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.