Home / 570,254.44-786,964.26-315,616.36

Finding the Fourth Proportional to 570,254.44, 786,964.26 and 315,616.36

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Solution

The fourth proportional to 570,254.44, 786,964.26 and 315,616.36 is: 435,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,254.44 : 786,964.26 = 315,616.36 : x
  2. Step 2: Convert to fraction form
    570,254.44/786,964.26 = 315,616.36/x
  3. Step 3: Cross multiply
    570,254.44x = 786,964.26 × 315,616.36
  4. Step 4: Simplify right side
    570,254.44x = 248,378,795,191.29
  5. Step 5: Solve for x
    x = 248,378,795,191.29/570,254.44
  6. Step 6: Final answer
    x = 435,557.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.