Home / 935,531.86-1,291,032.87-505,810.96

Finding the Fourth Proportional to 935,531.86, 1,291,032.87 and 505,810.96

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Solution

The fourth proportional to 935,531.86, 1,291,032.87 and 505,810.96 is: 698,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,531.86 : 1,291,032.87 = 505,810.96 : x
  2. Step 2: Convert to fraction form
    935,531.86/1,291,032.87 = 505,810.96/x
  3. Step 3: Cross multiply
    935,531.86x = 1,291,032.87 × 505,810.96
  4. Step 4: Simplify right side
    935,531.86x = 653,018,575,366.26
  5. Step 5: Solve for x
    x = 653,018,575,366.26/935,531.86
  6. Step 6: Final answer
    x = 698,018.53

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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.