Home / 519,943.60-779,905.01-235,581.15

Finding the Fourth Proportional to 519,943.60, 779,905.01 and 235,581.15

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Solution

The fourth proportional to 519,943.60, 779,905.01 and 235,581.15 is: 353,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,943.60 : 779,905.01 = 235,581.15 : x
  2. Step 2: Convert to fraction form
    519,943.60/779,905.01 = 235,581.15/x
  3. Step 3: Cross multiply
    519,943.60x = 779,905.01 × 235,581.15
  4. Step 4: Simplify right side
    519,943.60x = 183,730,919,804.10
  5. Step 5: Solve for x
    x = 183,730,919,804.10/519,943.60
  6. Step 6: Final answer
    x = 353,367.02

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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.