Home / 487,024.48-672,094.70-272,164.55

Finding the Fourth Proportional to 487,024.48, 672,094.70 and 272,164.55

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Solution

The fourth proportional to 487,024.48, 672,094.70 and 272,164.55 is: 375,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,024.48 : 672,094.70 = 272,164.55 : x
  2. Step 2: Convert to fraction form
    487,024.48/672,094.70 = 272,164.55/x
  3. Step 3: Cross multiply
    487,024.48x = 672,094.70 × 272,164.55
  4. Step 4: Simplify right side
    487,024.48x = 182,920,351,582.89
  5. Step 5: Solve for x
    x = 182,920,351,582.89/487,024.48
  6. Step 6: Final answer
    x = 375,587.59

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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.