Home / 935,718.15-1,404,071.73-663,920.91

Finding the Fourth Proportional to 935,718.15, 1,404,071.73 and 663,920.91

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Solution

The fourth proportional to 935,718.15, 1,404,071.73 and 663,920.91 is: 996,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,718.15 : 1,404,071.73 = 663,920.91 : x
  2. Step 2: Convert to fraction form
    935,718.15/1,404,071.73 = 663,920.91/x
  3. Step 3: Cross multiply
    935,718.15x = 1,404,071.73 × 663,920.91
  4. Step 4: Simplify right side
    935,718.15x = 932,192,580,686.87
  5. Step 5: Solve for x
    x = 932,192,580,686.87/935,718.15
  6. Step 6: Final answer
    x = 996,232.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.