Home / 452,826.20-679,239.30-403,837.40

Finding the Fourth Proportional to 452,826.20, 679,239.30 and 403,837.40

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Solution

The fourth proportional to 452,826.20, 679,239.30 and 403,837.40 is: 605,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,826.20 : 679,239.30 = 403,837.40 : x
  2. Step 2: Convert to fraction form
    452,826.20/679,239.30 = 403,837.40/x
  3. Step 3: Cross multiply
    452,826.20x = 679,239.30 × 403,837.40
  4. Step 4: Simplify right side
    452,826.20x = 274,302,232,889.82
  5. Step 5: Solve for x
    x = 274,302,232,889.82/452,826.20
  6. Step 6: Final answer
    x = 605,756.10

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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.