Home / 937,412.16-1,406,357.76-272,564.16

Finding the Fourth Proportional to 937,412.16, 1,406,357.76 and 272,564.16

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Solution

The fourth proportional to 937,412.16, 1,406,357.76 and 272,564.16 is: 408,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,412.16 : 1,406,357.76 = 272,564.16 : x
  2. Step 2: Convert to fraction form
    937,412.16/1,406,357.76 = 272,564.16/x
  3. Step 3: Cross multiply
    937,412.16x = 1,406,357.76 × 272,564.16
  4. Step 4: Simplify right side
    937,412.16x = 383,322,721,513.88
  5. Step 5: Solve for x
    x = 383,322,721,513.88/937,412.16
  6. Step 6: Final answer
    x = 408,915.88

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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.