Home / 922,840.40-1,384,260.60-425,176.40

Finding the Fourth Proportional to 922,840.40, 1,384,260.60 and 425,176.40

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Solution

The fourth proportional to 922,840.40, 1,384,260.60 and 425,176.40 is: 637,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,840.40 : 1,384,260.60 = 425,176.40 : x
  2. Step 2: Convert to fraction form
    922,840.40/1,384,260.60 = 425,176.40/x
  3. Step 3: Cross multiply
    922,840.40x = 1,384,260.60 × 425,176.40
  4. Step 4: Simplify right side
    922,840.40x = 588,554,938,569.84
  5. Step 5: Solve for x
    x = 588,554,938,569.84/922,840.40
  6. Step 6: Final answer
    x = 637,764.60

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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.