Home / 691,088.22-953,375.67-404,430.84

Finding the Fourth Proportional to 691,088.22, 953,375.67 and 404,430.84

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Solution

The fourth proportional to 691,088.22, 953,375.67 and 404,430.84 is: 557,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,088.22 : 953,375.67 = 404,430.84 : x
  2. Step 2: Convert to fraction form
    691,088.22/953,375.67 = 404,430.84/x
  3. Step 3: Cross multiply
    691,088.22x = 953,375.67 × 404,430.84
  4. Step 4: Simplify right side
    691,088.22x = 385,574,523,053.66
  5. Step 5: Solve for x
    x = 385,574,523,053.66/691,088.22
  6. Step 6: Final answer
    x = 557,923.74

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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.