Home / 624,174.07-862,242.02-496,686.55

Finding the Fourth Proportional to 624,174.07, 862,242.02 and 496,686.55

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Solution

The fourth proportional to 624,174.07, 862,242.02 and 496,686.55 is: 686,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,174.07 : 862,242.02 = 496,686.55 : x
  2. Step 2: Convert to fraction form
    624,174.07/862,242.02 = 496,686.55/x
  3. Step 3: Cross multiply
    624,174.07x = 862,242.02 × 496,686.55
  4. Step 4: Simplify right side
    624,174.07x = 428,264,014,178.83
  5. Step 5: Solve for x
    x = 428,264,014,178.83/624,174.07
  6. Step 6: Final answer
    x = 686,129.13

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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.