Home / 935,884.81-1,291,521.28-528,073.07

Finding the Fourth Proportional to 935,884.81, 1,291,521.28 and 528,073.07

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Solution

The fourth proportional to 935,884.81, 1,291,521.28 and 528,073.07 is: 728,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,884.81 : 1,291,521.28 = 528,073.07 : x
  2. Step 2: Convert to fraction form
    935,884.81/1,291,521.28 = 528,073.07/x
  3. Step 3: Cross multiply
    935,884.81x = 1,291,521.28 × 528,073.07
  4. Step 4: Simplify right side
    935,884.81x = 682,017,607,299.93
  5. Step 5: Solve for x
    x = 682,017,607,299.93/935,884.81
  6. Step 6: Final answer
    x = 728,740.98

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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.