Home / 452,325.75-678,799.67-156,837.75

Finding the Fourth Proportional to 452,325.75, 678,799.67 and 156,837.75

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Solution

The fourth proportional to 452,325.75, 678,799.67 and 156,837.75 is: 235,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,325.75 : 678,799.67 = 156,837.75 : x
  2. Step 2: Convert to fraction form
    452,325.75/678,799.67 = 156,837.75/x
  3. Step 3: Cross multiply
    452,325.75x = 678,799.67 × 156,837.75
  4. Step 4: Simplify right side
    452,325.75x = 106,461,412,159.35
  5. Step 5: Solve for x
    x = 106,461,412,159.35/452,325.75
  6. Step 6: Final answer
    x = 235,364.47

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1.5x scale

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.