Home / 1,528,863.60-2,293,287.30-391,623.60

Finding the Fourth Proportional to 1,528,863.60, 2,293,287.30 and 391,623.60

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Solution

The fourth proportional to 1,528,863.60, 2,293,287.30 and 391,623.60 is: 587,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,863.60 : 2,293,287.30 = 391,623.60 : x
  2. Step 2: Convert to fraction form
    1,528,863.60/2,293,287.30 = 391,623.60/x
  3. Step 3: Cross multiply
    1,528,863.60x = 2,293,287.30 × 391,623.60
  4. Step 4: Simplify right side
    1,528,863.60x = 898,105,428,260.28
  5. Step 5: Solve for x
    x = 898,105,428,260.28/1,528,863.60
  6. Step 6: Final answer
    x = 587,433.33

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Double scale
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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.