Home / 424,428.64-585,716.16-233,443.60

Finding the Fourth Proportional to 424,428.64, 585,716.16 and 233,443.60

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Solution

The fourth proportional to 424,428.64, 585,716.16 and 233,443.60 is: 322,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,428.64 : 585,716.16 = 233,443.60 : x
  2. Step 2: Convert to fraction form
    424,428.64/585,716.16 = 233,443.60/x
  3. Step 3: Cross multiply
    424,428.64x = 585,716.16 × 233,443.60
  4. Step 4: Simplify right side
    424,428.64x = 136,731,688,968.58
  5. Step 5: Solve for x
    x = 136,731,688,968.58/424,428.64
  6. Step 6: Final answer
    x = 322,154.72

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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.