Home / 1,014,779.76-1,400,418.72-579,188.40

Finding the Fourth Proportional to 1,014,779.76, 1,400,418.72 and 579,188.40

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Solution

The fourth proportional to 1,014,779.76, 1,400,418.72 and 579,188.40 is: 799,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,779.76 : 1,400,418.72 = 579,188.40 : x
  2. Step 2: Convert to fraction form
    1,014,779.76/1,400,418.72 = 579,188.40/x
  3. Step 3: Cross multiply
    1,014,779.76x = 1,400,418.72 × 579,188.40
  4. Step 4: Simplify right side
    1,014,779.76x = 811,106,277,766.85
  5. Step 5: Solve for x
    x = 811,106,277,766.85/1,014,779.76
  6. Step 6: Final answer
    x = 799,292.92

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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.