Home / 856,157.63-1,181,483.04-474,176.21

Finding the Fourth Proportional to 856,157.63, 1,181,483.04 and 474,176.21

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Solution

The fourth proportional to 856,157.63, 1,181,483.04 and 474,176.21 is: 654,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,157.63 : 1,181,483.04 = 474,176.21 : x
  2. Step 2: Convert to fraction form
    856,157.63/1,181,483.04 = 474,176.21/x
  3. Step 3: Cross multiply
    856,157.63x = 1,181,483.04 × 474,176.21
  4. Step 4: Simplify right side
    856,157.63x = 560,231,145,957.22
  5. Step 5: Solve for x
    x = 560,231,145,957.22/856,157.63
  6. Step 6: Final answer
    x = 654,355.14

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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.