Home / 677,995.40-935,565.54-406,056.33

Finding the Fourth Proportional to 677,995.40, 935,565.54 and 406,056.33

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Solution

The fourth proportional to 677,995.40, 935,565.54 and 406,056.33 is: 560,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,995.40 : 935,565.54 = 406,056.33 : x
  2. Step 2: Convert to fraction form
    677,995.40/935,565.54 = 406,056.33/x
  3. Step 3: Cross multiply
    677,995.40x = 935,565.54 × 406,056.33
  4. Step 4: Simplify right side
    677,995.40x = 379,892,302,938.76
  5. Step 5: Solve for x
    x = 379,892,302,938.76/677,995.40
  6. Step 6: Final answer
    x = 560,316.94

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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.