Home / 486,860.46-671,881.14-272,024.16

Finding the Fourth Proportional to 486,860.46, 671,881.14 and 272,024.16

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Solution

The fourth proportional to 486,860.46, 671,881.14 and 272,024.16 is: 375,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,860.46 : 671,881.14 = 272,024.16 : x
  2. Step 2: Convert to fraction form
    486,860.46/671,881.14 = 272,024.16/x
  3. Step 3: Cross multiply
    486,860.46x = 671,881.14 × 272,024.16
  4. Step 4: Simplify right side
    486,860.46x = 182,767,902,728.34
  5. Step 5: Solve for x
    x = 182,767,902,728.34/486,860.46
  6. Step 6: Final answer
    x = 375,401.00

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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.