Home / 447,925.16-618,136.60-246,721.16

Finding the Fourth Proportional to 447,925.16, 618,136.60 and 246,721.16

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Solution

The fourth proportional to 447,925.16, 618,136.60 and 246,721.16 is: 340,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,925.16 : 618,136.60 = 246,721.16 : x
  2. Step 2: Convert to fraction form
    447,925.16/618,136.60 = 246,721.16/x
  3. Step 3: Cross multiply
    447,925.16x = 618,136.60 × 246,721.16
  4. Step 4: Simplify right side
    447,925.16x = 152,507,378,990.46
  5. Step 5: Solve for x
    x = 152,507,378,990.46/447,925.16
  6. Step 6: Final answer
    x = 340,475.13

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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.