Home / 1,157,314.80-1,735,972.20-315,951.60

Finding the Fourth Proportional to 1,157,314.80, 1,735,972.20 and 315,951.60

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Solution

The fourth proportional to 1,157,314.80, 1,735,972.20 and 315,951.60 is: 473,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,314.80 : 1,735,972.20 = 315,951.60 : x
  2. Step 2: Convert to fraction form
    1,157,314.80/1,735,972.20 = 315,951.60/x
  3. Step 3: Cross multiply
    1,157,314.80x = 1,735,972.20 × 315,951.60
  4. Step 4: Simplify right side
    1,157,314.80x = 548,483,194,145.52
  5. Step 5: Solve for x
    x = 548,483,194,145.52/1,157,314.80
  6. Step 6: Final answer
    x = 473,927.40

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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.