Home / 438,107.95-604,589.03-236,903.95

Finding the Fourth Proportional to 438,107.95, 604,589.03 and 236,903.95

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Solution

The fourth proportional to 438,107.95, 604,589.03 and 236,903.95 is: 326,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,107.95 : 604,589.03 = 236,903.95 : x
  2. Step 2: Convert to fraction form
    438,107.95/604,589.03 = 236,903.95/x
  3. Step 3: Cross multiply
    438,107.95x = 604,589.03 × 236,903.95
  4. Step 4: Simplify right side
    438,107.95x = 143,229,529,333.67
  5. Step 5: Solve for x
    x = 143,229,529,333.67/438,107.95
  6. Step 6: Final answer
    x = 326,927.48

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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.