Home / 476,151.96-657,089.34-272,207.40

Finding the Fourth Proportional to 476,151.96, 657,089.34 and 272,207.40

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Solution

The fourth proportional to 476,151.96, 657,089.34 and 272,207.40 is: 375,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,151.96 : 657,089.34 = 272,207.40 : x
  2. Step 2: Convert to fraction form
    476,151.96/657,089.34 = 272,207.40/x
  3. Step 3: Cross multiply
    476,151.96x = 657,089.34 × 272,207.40
  4. Step 4: Simplify right side
    476,151.96x = 178,864,580,809.12
  5. Step 5: Solve for x
    x = 178,864,580,809.12/476,151.96
  6. Step 6: Final answer
    x = 375,646.00

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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.