Home / 691,783.59-954,576.45-385,788.27

Finding the Fourth Proportional to 691,783.59, 954,576.45 and 385,788.27

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Solution

The fourth proportional to 691,783.59, 954,576.45 and 385,788.27 is: 532,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,783.59 : 954,576.45 = 385,788.27 : x
  2. Step 2: Convert to fraction form
    691,783.59/954,576.45 = 385,788.27/x
  3. Step 3: Cross multiply
    691,783.59x = 954,576.45 × 385,788.27
  4. Step 4: Simplify right side
    691,783.59x = 368,264,397,228.24
  5. Step 5: Solve for x
    x = 368,264,397,228.24/691,783.59
  6. Step 6: Final answer
    x = 532,340.46

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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.