Home / 438,019.04-604,467.68-236,816.48

Finding the Fourth Proportional to 438,019.04, 604,467.68 and 236,816.48

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Solution

The fourth proportional to 438,019.04, 604,467.68 and 236,816.48 is: 326,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,019.04 : 604,467.68 = 236,816.48 : x
  2. Step 2: Convert to fraction form
    438,019.04/604,467.68 = 236,816.48/x
  3. Step 3: Cross multiply
    438,019.04x = 604,467.68 × 236,816.48
  4. Step 4: Simplify right side
    438,019.04x = 143,147,908,251.37
  5. Step 5: Solve for x
    x = 143,147,908,251.37/438,019.04
  6. Step 6: Final answer
    x = 326,807.50

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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.