Home / 386,404.16-533,243.25-233,421.10

Finding the Fourth Proportional to 386,404.16, 533,243.25 and 233,421.10

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Solution

The fourth proportional to 386,404.16, 533,243.25 and 233,421.10 is: 322,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,404.16 : 533,243.25 = 233,421.10 : x
  2. Step 2: Convert to fraction form
    386,404.16/533,243.25 = 233,421.10/x
  3. Step 3: Cross multiply
    386,404.16x = 533,243.25 × 233,421.10
  4. Step 4: Simplify right side
    386,404.16x = 124,470,224,649.47
  5. Step 5: Solve for x
    x = 124,470,224,649.47/386,404.16
  6. Step 6: Final answer
    x = 322,124.45

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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.