Home / 933,549.40-1,287,779.46-611,778.52

Finding the Fourth Proportional to 933,549.40, 1,287,779.46 and 611,778.52

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Solution

The fourth proportional to 933,549.40, 1,287,779.46 and 611,778.52 is: 843,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,549.40 : 1,287,779.46 = 611,778.52 : x
  2. Step 2: Convert to fraction form
    933,549.40/1,287,779.46 = 611,778.52/x
  3. Step 3: Cross multiply
    933,549.40x = 1,287,779.46 × 611,778.52
  4. Step 4: Simplify right side
    933,549.40x = 787,835,812,125.20
  5. Step 5: Solve for x
    x = 787,835,812,125.20/933,549.40
  6. Step 6: Final answer
    x = 843,914.43

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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.