Home / 423,000.16-583,756.56-232,021.60

Finding the Fourth Proportional to 423,000.16, 583,756.56 and 232,021.60

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Solution

The fourth proportional to 423,000.16, 583,756.56 and 232,021.60 is: 320,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,000.16 : 583,756.56 = 232,021.60 : x
  2. Step 2: Convert to fraction form
    423,000.16/583,756.56 = 232,021.60/x
  3. Step 3: Cross multiply
    423,000.16x = 583,756.56 × 232,021.60
  4. Step 4: Simplify right side
    423,000.16x = 135,444,131,061.70
  5. Step 5: Solve for x
    x = 135,444,131,061.70/423,000.16
  6. Step 6: Final answer
    x = 320,198.77

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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.