Home / 438,400.13-604,992.18-237,196.13

Finding the Fourth Proportional to 438,400.13, 604,992.18 and 237,196.13

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Solution

The fourth proportional to 438,400.13, 604,992.18 and 237,196.13 is: 327,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,400.13 : 604,992.18 = 237,196.13 : x
  2. Step 2: Convert to fraction form
    438,400.13/604,992.18 = 237,196.13/x
  3. Step 3: Cross multiply
    438,400.13x = 604,992.18 × 237,196.13
  4. Step 4: Simplify right side
    438,400.13x = 143,501,803,776.26
  5. Step 5: Solve for x
    x = 143,501,803,776.26/438,400.13
  6. Step 6: Final answer
    x = 327,330.66

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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.