Home / 470,966.65-649,941.90-256,113.03

Finding the Fourth Proportional to 470,966.65, 649,941.90 and 256,113.03

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Solution

The fourth proportional to 470,966.65, 649,941.90 and 256,113.03 is: 353,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,966.65 : 649,941.90 = 256,113.03 : x
  2. Step 2: Convert to fraction form
    470,966.65/649,941.90 = 256,113.03/x
  3. Step 3: Cross multiply
    470,966.65x = 649,941.90 × 256,113.03
  4. Step 4: Simplify right side
    470,966.65x = 166,458,589,332.96
  5. Step 5: Solve for x
    x = 166,458,589,332.96/470,966.65
  6. Step 6: Final answer
    x = 353,440.29

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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.