Home / 623,530.16-859,295.78-451,156.28

Finding the Fourth Proportional to 623,530.16, 859,295.78 and 451,156.28

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Solution

The fourth proportional to 623,530.16, 859,295.78 and 451,156.28 is: 621,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,530.16 : 859,295.78 = 451,156.28 : x
  2. Step 2: Convert to fraction form
    623,530.16/859,295.78 = 451,156.28/x
  3. Step 3: Cross multiply
    623,530.16x = 859,295.78 × 451,156.28
  4. Step 4: Simplify right side
    623,530.16x = 387,676,687,524.50
  5. Step 5: Solve for x
    x = 387,676,687,524.50/623,530.16
  6. Step 6: Final answer
    x = 621,744.88

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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.