Home / 935,890-1,291,528.92-506,169.58

Finding the Fourth Proportional to 935,890, 1,291,528.92 and 506,169.58

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Solution

The fourth proportional to 935,890, 1,291,528.92 and 506,169.58 is: 698,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,890 : 1,291,528.92 = 506,169.58 : x
  2. Step 2: Convert to fraction form
    935,890/1,291,528.92 = 506,169.58/x
  3. Step 3: Cross multiply
    935,890x = 1,291,528.92 × 506,169.58
  4. Step 4: Simplify right side
    935,890x = 653,732,650,994.25
  5. Step 5: Solve for x
    x = 653,732,650,994.25/935,890
  6. Step 6: Final answer
    x = 698,514.41

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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.