Home / 387,551.36-577,935.46-384,008.24

Finding the Fourth Proportional to 387,551.36, 577,935.46 and 384,008.24

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Solution

The fourth proportional to 387,551.36, 577,935.46 and 384,008.24 is: 572,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,551.36 : 577,935.46 = 384,008.24 : x
  2. Step 2: Convert to fraction form
    387,551.36/577,935.46 = 384,008.24/x
  3. Step 3: Cross multiply
    387,551.36x = 577,935.46 × 384,008.24
  4. Step 4: Simplify right side
    387,551.36x = 221,931,978,828.19
  5. Step 5: Solve for x
    x = 221,931,978,828.19/387,551.36
  6. Step 6: Final answer
    x = 572,651.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.