Home / 961,490.20-1,442,235.30-606,904.60

Finding the Fourth Proportional to 961,490.20, 1,442,235.30 and 606,904.60

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Solution

The fourth proportional to 961,490.20, 1,442,235.30 and 606,904.60 is: 910,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,490.20 : 1,442,235.30 = 606,904.60 : x
  2. Step 2: Convert to fraction form
    961,490.20/1,442,235.30 = 606,904.60/x
  3. Step 3: Cross multiply
    961,490.20x = 1,442,235.30 × 606,904.60
  4. Step 4: Simplify right side
    961,490.20x = 875,299,237,852.38
  5. Step 5: Solve for x
    x = 875,299,237,852.38/961,490.20
  6. Step 6: Final answer
    x = 910,356.90

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Double scale
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Similar ratio
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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.