Home / 868,150.40-1,302,225.60-448,246.40

Finding the Fourth Proportional to 868,150.40, 1,302,225.60 and 448,246.40

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Solution

The fourth proportional to 868,150.40, 1,302,225.60 and 448,246.40 is: 672,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,150.40 : 1,302,225.60 = 448,246.40 : x
  2. Step 2: Convert to fraction form
    868,150.40/1,302,225.60 = 448,246.40/x
  3. Step 3: Cross multiply
    868,150.40x = 1,302,225.60 × 448,246.40
  4. Step 4: Simplify right side
    868,150.40x = 583,717,937,187.84
  5. Step 5: Solve for x
    x = 583,717,937,187.84/868,150.40
  6. Step 6: Final answer
    x = 672,369.60

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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.