Home / 456,928.34-630,561.03-255,724.34

Finding the Fourth Proportional to 456,928.34, 630,561.03 and 255,724.34

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Solution

The fourth proportional to 456,928.34, 630,561.03 and 255,724.34 is: 352,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,928.34 : 630,561.03 = 255,724.34 : x
  2. Step 2: Convert to fraction form
    456,928.34/630,561.03 = 255,724.34/x
  3. Step 3: Cross multiply
    456,928.34x = 630,561.03 × 255,724.34
  4. Step 4: Simplify right side
    456,928.34x = 161,249,803,226.47
  5. Step 5: Solve for x
    x = 161,249,803,226.47/456,928.34
  6. Step 6: Final answer
    x = 352,899.54

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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.