Home / 505,152.07-755,426.18-377,157.89

Finding the Fourth Proportional to 505,152.07, 755,426.18 and 377,157.89

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Solution

The fourth proportional to 505,152.07, 755,426.18 and 377,157.89 is: 564,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,152.07 : 755,426.18 = 377,157.89 : x
  2. Step 2: Convert to fraction form
    505,152.07/755,426.18 = 377,157.89/x
  3. Step 3: Cross multiply
    505,152.07x = 755,426.18 × 377,157.89
  4. Step 4: Simplify right side
    505,152.07x = 284,914,946,931.02
  5. Step 5: Solve for x
    x = 284,914,946,931.02/505,152.07
  6. Step 6: Final answer
    x = 564,018.17

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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.