Home / 691,984.18-954,961.80-401,573.35

Finding the Fourth Proportional to 691,984.18, 954,961.80 and 401,573.35

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Solution

The fourth proportional to 691,984.18, 954,961.80 and 401,573.35 is: 554,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,984.18 : 954,961.80 = 401,573.35 : x
  2. Step 2: Convert to fraction form
    691,984.18/954,961.80 = 401,573.35/x
  3. Step 3: Cross multiply
    691,984.18x = 954,961.80 × 401,573.35
  4. Step 4: Simplify right side
    691,984.18x = 383,487,209,148.03
  5. Step 5: Solve for x
    x = 383,487,209,148.03/691,984.18
  6. Step 6: Final answer
    x = 554,184.94

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1.5x scale

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.