Home / 922,848.40-1,384,272.60-424,212.40

Finding the Fourth Proportional to 922,848.40, 1,384,272.60 and 424,212.40

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Solution

The fourth proportional to 922,848.40, 1,384,272.60 and 424,212.40 is: 636,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,848.40 : 1,384,272.60 = 424,212.40 : x
  2. Step 2: Convert to fraction form
    922,848.40/1,384,272.60 = 424,212.40/x
  3. Step 3: Cross multiply
    922,848.40x = 1,384,272.60 × 424,212.40
  4. Step 4: Simplify right side
    922,848.40x = 587,225,601,900.24
  5. Step 5: Solve for x
    x = 587,225,601,900.24/922,848.40
  6. Step 6: Final answer
    x = 636,318.60

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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.