Home / 438,105.45-604,585.58-236,901.45

Finding the Fourth Proportional to 438,105.45, 604,585.58 and 236,901.45

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Solution

The fourth proportional to 438,105.45, 604,585.58 and 236,901.45 is: 326,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,105.45 : 604,585.58 = 236,901.45 : x
  2. Step 2: Convert to fraction form
    438,105.45/604,585.58 = 236,901.45/x
  3. Step 3: Cross multiply
    438,105.45x = 604,585.58 × 236,901.45
  4. Step 4: Simplify right side
    438,105.45x = 143,227,199,366.58
  5. Step 5: Solve for x
    x = 143,227,199,366.58/438,105.45
  6. Step 6: Final answer
    x = 326,924.03

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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.