Home / 623,380.28-859,865.84-432,323.96

Finding the Fourth Proportional to 623,380.28, 859,865.84 and 432,323.96

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Solution

The fourth proportional to 623,380.28, 859,865.84 and 432,323.96 is: 596,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,380.28 : 859,865.84 = 432,323.96 : x
  2. Step 2: Convert to fraction form
    623,380.28/859,865.84 = 432,323.96/x
  3. Step 3: Cross multiply
    623,380.28x = 859,865.84 × 432,323.96
  4. Step 4: Simplify right side
    623,380.28x = 371,740,605,017.53
  5. Step 5: Solve for x
    x = 371,740,605,017.53/623,380.28
  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.