Home / 935,881.65-1,291,516.95-528,069.96

Finding the Fourth Proportional to 935,881.65, 1,291,516.95 and 528,069.96

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Solution

The fourth proportional to 935,881.65, 1,291,516.95 and 528,069.96 is: 728,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,881.65 : 1,291,516.95 = 528,069.96 : x
  2. Step 2: Convert to fraction form
    935,881.65/1,291,516.95 = 528,069.96/x
  3. Step 3: Cross multiply
    935,881.65x = 1,291,516.95 × 528,069.96
  4. Step 4: Simplify right side
    935,881.65x = 682,011,304,125.82
  5. Step 5: Solve for x
    x = 682,011,304,125.82/935,881.65
  6. Step 6: Final answer
    x = 728,736.70

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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.