Home / 986,519.58-1,361,624.50-578,752.40

Finding the Fourth Proportional to 986,519.58, 1,361,624.50 and 578,752.40

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Solution

The fourth proportional to 986,519.58, 1,361,624.50 and 578,752.40 is: 798,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,519.58 : 1,361,624.50 = 578,752.40 : x
  2. Step 2: Convert to fraction form
    986,519.58/1,361,624.50 = 578,752.40/x
  3. Step 3: Cross multiply
    986,519.58x = 1,361,624.50 × 578,752.40
  4. Step 4: Simplify right side
    986,519.58x = 788,043,447,273.80
  5. Step 5: Solve for x
    x = 788,043,447,273.80/986,519.58
  6. Step 6: Final answer
    x = 798,811.77

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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.