Home / 437,933.80-657,159.90-288,605.80

Finding the Fourth Proportional to 437,933.80, 657,159.90 and 288,605.80

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Solution

The fourth proportional to 437,933.80, 657,159.90 and 288,605.80 is: 433,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,933.80 : 657,159.90 = 288,605.80 : x
  2. Step 2: Convert to fraction form
    437,933.80/657,159.90 = 288,605.80/x
  3. Step 3: Cross multiply
    437,933.80x = 657,159.90 × 288,605.80
  4. Step 4: Simplify right side
    437,933.80x = 189,660,158,667.42
  5. Step 5: Solve for x
    x = 189,660,158,667.42/437,933.80
  6. Step 6: Final answer
    x = 433,079.52

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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.