Home / 651,114.24-898,611.84-396,614.40

Finding the Fourth Proportional to 651,114.24, 898,611.84 and 396,614.40

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Solution

The fourth proportional to 651,114.24, 898,611.84 and 396,614.40 is: 547,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,114.24 : 898,611.84 = 396,614.40 : x
  2. Step 2: Convert to fraction form
    651,114.24/898,611.84 = 396,614.40/x
  3. Step 3: Cross multiply
    651,114.24x = 898,611.84 × 396,614.40
  4. Step 4: Simplify right side
    651,114.24x = 356,402,395,754.50
  5. Step 5: Solve for x
    x = 356,402,395,754.50/651,114.24
  6. Step 6: Final answer
    x = 547,373.06

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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.