Home / 437,923.80-657,144.90-288,595.80

Finding the Fourth Proportional to 437,923.80, 657,144.90 and 288,595.80

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Solution

The fourth proportional to 437,923.80, 657,144.90 and 288,595.80 is: 433,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,923.80 : 657,144.90 = 288,595.80 : x
  2. Step 2: Convert to fraction form
    437,923.80/657,144.90 = 288,595.80/x
  3. Step 3: Cross multiply
    437,923.80x = 657,144.90 × 288,595.80
  4. Step 4: Simplify right side
    437,923.80x = 189,649,258,131.42
  5. Step 5: Solve for x
    x = 189,649,258,131.42/437,923.80
  6. Step 6: Final answer
    x = 433,064.52

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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.