Home / 1,246,249.60-1,868,683.20-497,449.60

Finding the Fourth Proportional to 1,246,249.60, 1,868,683.20 and 497,449.60

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Solution

The fourth proportional to 1,246,249.60, 1,868,683.20 and 497,449.60 is: 745,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,249.60 : 1,868,683.20 = 497,449.60 : x
  2. Step 2: Convert to fraction form
    1,246,249.60/1,868,683.20 = 497,449.60/x
  3. Step 3: Cross multiply
    1,246,249.60x = 1,868,683.20 × 497,449.60
  4. Step 4: Simplify right side
    1,246,249.60x = 929,575,710,366.72
  5. Step 5: Solve for x
    x = 929,575,710,366.72/1,246,249.60
  6. Step 6: Final answer
    x = 745,898.50

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Double scale
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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.