Home / 919,241.02-1,379,082.96-288,154.83

Finding the Fourth Proportional to 919,241.02, 1,379,082.96 and 288,154.83

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Solution

The fourth proportional to 919,241.02, 1,379,082.96 and 288,154.83 is: 432,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,241.02 : 1,379,082.96 = 288,154.83 : x
  2. Step 2: Convert to fraction form
    919,241.02/1,379,082.96 = 288,154.83/x
  3. Step 3: Cross multiply
    919,241.02x = 1,379,082.96 × 288,154.83
  4. Step 4: Simplify right side
    919,241.02x = 397,389,415,894.70
  5. Step 5: Solve for x
    x = 397,389,415,894.70/919,241.02
  6. Step 6: Final answer
    x = 432,301.66

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Double scale
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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.