Home / 453,844.80-679,154.40-395,323.20

Finding the Fourth Proportional to 453,844.80, 679,154.40 and 395,323.20

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Solution

The fourth proportional to 453,844.80, 679,154.40 and 395,323.20 is: 591,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,844.80 : 679,154.40 = 395,323.20 : x
  2. Step 2: Convert to fraction form
    453,844.80/679,154.40 = 395,323.20/x
  3. Step 3: Cross multiply
    453,844.80x = 679,154.40 × 395,323.20
  4. Step 4: Simplify right side
    453,844.80x = 268,485,490,702.08
  5. Step 5: Solve for x
    x = 268,485,490,702.08/453,844.80
  6. Step 6: Final answer
    x = 591,579.96

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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.