Home / 402,536.04-555,552.27-259,711.56

Finding the Fourth Proportional to 402,536.04, 555,552.27 and 259,711.56

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Solution

The fourth proportional to 402,536.04, 555,552.27 and 259,711.56 is: 358,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,536.04 : 555,552.27 = 259,711.56 : x
  2. Step 2: Convert to fraction form
    402,536.04/555,552.27 = 259,711.56/x
  3. Step 3: Cross multiply
    402,536.04x = 555,552.27 × 259,711.56
  4. Step 4: Simplify right side
    402,536.04x = 144,283,346,703.24
  5. Step 5: Solve for x
    x = 144,283,346,703.24/402,536.04
  6. Step 6: Final answer
    x = 358,435.85

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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.