Home / 712,870.20-1,067,555.70-474,924.60

Finding the Fourth Proportional to 712,870.20, 1,067,555.70 and 474,924.60

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Solution

The fourth proportional to 712,870.20, 1,067,555.70 and 474,924.60 is: 711,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,870.20 : 1,067,555.70 = 474,924.60 : x
  2. Step 2: Convert to fraction form
    712,870.20/1,067,555.70 = 474,924.60/x
  3. Step 3: Cross multiply
    712,870.20x = 1,067,555.70 × 474,924.60
  4. Step 4: Simplify right side
    712,870.20x = 507,008,463,800.22
  5. Step 5: Solve for x
    x = 507,008,463,800.22/712,870.20
  6. Step 6: Final answer
    x = 711,221.29

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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.