Home / 423,820.11-584,904.54-242,588.90

Finding the Fourth Proportional to 423,820.11, 584,904.54 and 242,588.90

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Solution

The fourth proportional to 423,820.11, 584,904.54 and 242,588.90 is: 334,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,820.11 : 584,904.54 = 242,588.90 : x
  2. Step 2: Convert to fraction form
    423,820.11/584,904.54 = 242,588.90/x
  3. Step 3: Cross multiply
    423,820.11x = 584,904.54 × 242,588.90
  4. Step 4: Simplify right side
    423,820.11x = 141,891,346,039.08
  5. Step 5: Solve for x
    x = 141,891,346,039.08/423,820.11
  6. Step 6: Final answer
    x = 334,791.44

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1.5x scale

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.