Home / 623,555.01-859,932.05-408,617.01

Finding the Fourth Proportional to 623,555.01, 859,932.05 and 408,617.01

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Solution

The fourth proportional to 623,555.01, 859,932.05 and 408,617.01 is: 563,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,555.01 : 859,932.05 = 408,617.01 : x
  2. Step 2: Convert to fraction form
    623,555.01/859,932.05 = 408,617.01/x
  3. Step 3: Cross multiply
    623,555.01x = 859,932.05 × 408,617.01
  4. Step 4: Simplify right side
    623,555.01x = 351,382,861,031.09
  5. Step 5: Solve for x
    x = 351,382,861,031.09/623,555.01
  6. Step 6: Final answer
    x = 563,515.42

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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.