Home / 387,341.51-579,934.49-197,392.32

Finding the Fourth Proportional to 387,341.51, 579,934.49 and 197,392.32

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Solution

The fourth proportional to 387,341.51, 579,934.49 and 197,392.32 is: 295,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,341.51 : 579,934.49 = 197,392.32 : x
  2. Step 2: Convert to fraction form
    387,341.51/579,934.49 = 197,392.32/x
  3. Step 3: Cross multiply
    387,341.51x = 579,934.49 × 197,392.32
  4. Step 4: Simplify right side
    387,341.51x = 114,474,613,442.16
  5. Step 5: Solve for x
    x = 114,474,613,442.16/387,341.51
  6. Step 6: Final answer
    x = 295,539.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.