Home / 945,085.20-1,417,638.60-235,114.80

Finding the Fourth Proportional to 945,085.20, 1,417,638.60 and 235,114.80

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Solution

The fourth proportional to 945,085.20, 1,417,638.60 and 235,114.80 is: 352,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,085.20 : 1,417,638.60 = 235,114.80 : x
  2. Step 2: Convert to fraction form
    945,085.20/1,417,638.60 = 235,114.80/x
  3. Step 3: Cross multiply
    945,085.20x = 1,417,638.60 × 235,114.80
  4. Step 4: Simplify right side
    945,085.20x = 333,307,815,911.28
  5. Step 5: Solve for x
    x = 333,307,815,911.28/945,085.20
  6. Step 6: Final answer
    x = 352,674.89

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1.5x scale

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.