Home / 758,650.38-1,047,009.90-414,538.59

Finding the Fourth Proportional to 758,650.38, 1,047,009.90 and 414,538.59

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Solution

The fourth proportional to 758,650.38, 1,047,009.90 and 414,538.59 is: 572,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,650.38 : 1,047,009.90 = 414,538.59 : x
  2. Step 2: Convert to fraction form
    758,650.38/1,047,009.90 = 414,538.59/x
  3. Step 3: Cross multiply
    758,650.38x = 1,047,009.90 × 414,538.59
  4. Step 4: Simplify right side
    758,650.38x = 434,026,007,662.04
  5. Step 5: Solve for x
    x = 434,026,007,662.04/758,650.38
  6. Step 6: Final answer
    x = 572,102.80

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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.