Home / 623,380.26-859,865.85-432,323.94

Finding the Fourth Proportional to 623,380.26, 859,865.85 and 432,323.94

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Solution

The fourth proportional to 623,380.26, 859,865.85 and 432,323.94 is: 596,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,380.26 : 859,865.85 = 432,323.94 : x
  2. Step 2: Convert to fraction form
    623,380.26/859,865.85 = 432,323.94/x
  3. Step 3: Cross multiply
    623,380.26x = 859,865.85 × 432,323.94
  4. Step 4: Simplify right side
    623,380.26x = 371,740,592,143.45
  5. Step 5: Solve for x
    x = 371,740,592,143.45/623,380.26
  6. Step 6: Final answer
    x = 596,330.39

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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.