Home / 1,247,779.80-1,872,317.70-582,931.80

Finding the Fourth Proportional to 1,247,779.80, 1,872,317.70 and 582,931.80

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Solution

The fourth proportional to 1,247,779.80, 1,872,317.70 and 582,931.80 is: 874,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,779.80 : 1,872,317.70 = 582,931.80 : x
  2. Step 2: Convert to fraction form
    1,247,779.80/1,872,317.70 = 582,931.80/x
  3. Step 3: Cross multiply
    1,247,779.80x = 1,872,317.70 × 582,931.80
  4. Step 4: Simplify right side
    1,247,779.80x = 1,091,433,527,032.86
  5. Step 5: Solve for x
    x = 1,091,433,527,032.86/1,247,779.80
  6. Step 6: Final answer
    x = 874,700.43

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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.