Home / 1,235,172.64-1,852,425.60-436,349.04

Finding the Fourth Proportional to 1,235,172.64, 1,852,425.60 and 436,349.04

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Solution

The fourth proportional to 1,235,172.64, 1,852,425.60 and 436,349.04 is: 654,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,172.64 : 1,852,425.60 = 436,349.04 : x
  2. Step 2: Convert to fraction form
    1,235,172.64/1,852,425.60 = 436,349.04/x
  3. Step 3: Cross multiply
    1,235,172.64x = 1,852,425.60 × 436,349.04
  4. Step 4: Simplify right side
    1,235,172.64x = 808,304,132,231.42
  5. Step 5: Solve for x
    x = 808,304,132,231.42/1,235,172.64
  6. Step 6: Final answer
    x = 654,405.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.