Home / 460,742.01-690,216.33-260,456.55

Finding the Fourth Proportional to 460,742.01, 690,216.33 and 260,456.55

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Solution

The fourth proportional to 460,742.01, 690,216.33 and 260,456.55 is: 390,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,742.01 : 690,216.33 = 260,456.55 : x
  2. Step 2: Convert to fraction form
    460,742.01/690,216.33 = 260,456.55/x
  3. Step 3: Cross multiply
    460,742.01x = 690,216.33 × 260,456.55
  4. Step 4: Simplify right side
    460,742.01x = 179,771,364,065.46
  5. Step 5: Solve for x
    x = 179,771,364,065.46/460,742.01
  6. Step 6: Final answer
    x = 390,177.93

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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.