Home / 790,842.60-1,185,389.10-436,111.20

Finding the Fourth Proportional to 790,842.60, 1,185,389.10 and 436,111.20

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Solution

The fourth proportional to 790,842.60, 1,185,389.10 and 436,111.20 is: 653,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,842.60 : 1,185,389.10 = 436,111.20 : x
  2. Step 2: Convert to fraction form
    790,842.60/1,185,389.10 = 436,111.20/x
  3. Step 3: Cross multiply
    790,842.60x = 1,185,389.10 × 436,111.20
  4. Step 4: Simplify right side
    790,842.60x = 516,961,462,867.92
  5. Step 5: Solve for x
    x = 516,961,462,867.92/790,842.60
  6. Step 6: Final answer
    x = 653,684.39

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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.