Home / 668,024.01-921,931.20-366,276.33

Finding the Fourth Proportional to 668,024.01, 921,931.20 and 366,276.33

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Solution

The fourth proportional to 668,024.01, 921,931.20 and 366,276.33 is: 505,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,024.01 : 921,931.20 = 366,276.33 : x
  2. Step 2: Convert to fraction form
    668,024.01/921,931.20 = 366,276.33/x
  3. Step 3: Cross multiply
    668,024.01x = 921,931.20 × 366,276.33
  4. Step 4: Simplify right side
    668,024.01x = 337,681,576,448.50
  5. Step 5: Solve for x
    x = 337,681,576,448.50/668,024.01
  6. Step 6: Final answer
    x = 505,493.17

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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.