Home / 926,896.60-1,388,012.10-609,635.80

Finding the Fourth Proportional to 926,896.60, 1,388,012.10 and 609,635.80

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Solution

The fourth proportional to 926,896.60, 1,388,012.10 and 609,635.80 is: 912,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,896.60 : 1,388,012.10 = 609,635.80 : x
  2. Step 2: Convert to fraction form
    926,896.60/1,388,012.10 = 609,635.80/x
  3. Step 3: Cross multiply
    926,896.60x = 1,388,012.10 × 609,635.80
  4. Step 4: Simplify right side
    926,896.60x = 846,181,866,993.18
  5. Step 5: Solve for x
    x = 846,181,866,993.18/926,896.60
  6. Step 6: Final answer
    x = 912,919.38

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Double scale
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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.