Home / 413,127.12-569,985.48-231,812.40

Finding the Fourth Proportional to 413,127.12, 569,985.48 and 231,812.40

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Solution

The fourth proportional to 413,127.12, 569,985.48 and 231,812.40 is: 319,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,127.12 : 569,985.48 = 231,812.40 : x
  2. Step 2: Convert to fraction form
    413,127.12/569,985.48 = 231,812.40/x
  3. Step 3: Cross multiply
    413,127.12x = 569,985.48 × 231,812.40
  4. Step 4: Simplify right side
    413,127.12x = 132,129,702,083.95
  5. Step 5: Solve for x
    x = 132,129,702,083.95/413,127.12
  6. Step 6: Final answer
    x = 319,828.20

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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.