Home / 1,109,076.30-1,663,614.45-630,779.40

Finding the Fourth Proportional to 1,109,076.30, 1,663,614.45 and 630,779.40

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Solution

The fourth proportional to 1,109,076.30, 1,663,614.45 and 630,779.40 is: 946,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,076.30 : 1,663,614.45 = 630,779.40 : x
  2. Step 2: Convert to fraction form
    1,109,076.30/1,663,614.45 = 630,779.40/x
  3. Step 3: Cross multiply
    1,109,076.30x = 1,663,614.45 × 630,779.40
  4. Step 4: Simplify right side
    1,109,076.30x = 1,049,373,724,602.33
  5. Step 5: Solve for x
    x = 1,049,373,724,602.33/1,109,076.30
  6. Step 6: Final answer
    x = 946,169.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.