Home / 919,598.75-1,269,221.90-608,953.80

Finding the Fourth Proportional to 919,598.75, 1,269,221.90 and 608,953.80

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Solution

The fourth proportional to 919,598.75, 1,269,221.90 and 608,953.80 is: 840,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,598.75 : 1,269,221.90 = 608,953.80 : x
  2. Step 2: Convert to fraction form
    919,598.75/1,269,221.90 = 608,953.80/x
  3. Step 3: Cross multiply
    919,598.75x = 1,269,221.90 × 608,953.80
  4. Step 4: Simplify right side
    919,598.75x = 772,897,499,048.22
  5. Step 5: Solve for x
    x = 772,897,499,048.22/919,598.75
  6. Step 6: Final answer
    x = 840,472.54

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Double scale
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1.5x scale

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.