Home / 935,886.72-1,291,534.56-528,007.98

Finding the Fourth Proportional to 935,886.72, 1,291,534.56 and 528,007.98

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Solution

The fourth proportional to 935,886.72, 1,291,534.56 and 528,007.98 is: 728,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,886.72 : 1,291,534.56 = 528,007.98 : x
  2. Step 2: Convert to fraction form
    935,886.72/1,291,534.56 = 528,007.98/x
  3. Step 3: Cross multiply
    935,886.72x = 1,291,534.56 × 528,007.98
  4. Step 4: Simplify right side
    935,886.72x = 681,940,554,125.79
  5. Step 5: Solve for x
    x = 681,940,554,125.79/935,886.72
  6. Step 6: Final answer
    x = 728,657.15

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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.