Home / 423,475.55-584,139.53-251,280.06

Finding the Fourth Proportional to 423,475.55, 584,139.53 and 251,280.06

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Solution

The fourth proportional to 423,475.55, 584,139.53 and 251,280.06 is: 346,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,475.55 : 584,139.53 = 251,280.06 : x
  2. Step 2: Convert to fraction form
    423,475.55/584,139.53 = 251,280.06/x
  3. Step 3: Cross multiply
    423,475.55x = 584,139.53 × 251,280.06
  4. Step 4: Simplify right side
    423,475.55x = 146,782,614,890.37
  5. Step 5: Solve for x
    x = 146,782,614,890.37/423,475.55
  6. Step 6: Final answer
    x = 346,614.15

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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.